\n\u70b9\u51fbFile-->setting(\u6216\u8005Ctrl+Alt+S)-->Editor--> Flie Types \u5728ignore files and folders\uff0c\u7136\u540e\u5728\u8f93\u5165\u6846\u6700\u540e\u9762\u8ddf\u4e0a<\/em>.idea;*.iml;<\/p>\n
\u7236\u5de5\u7a0bPOM<\/h3>\n\n<?xml version="1.0" encoding="UTF-8"?>\n\n<project xmlns="http:\/\/maven.apache.org\/POM\/4.0.0" xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"\n xsi:schemaLocation="http:\/\/maven.apache.org\/POM\/4.0.0 http:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd">\n <modelVersion>4.0.0<\/modelVersion>\n\n <groupId>com.atguigu.springcloud<\/groupId>\n <artifactId>mscloud03<\/artifactId>\n <version>1.0-SNAPSHOT<\/version>\n <packaging>pom<\/packaging>\n\n <!-- \u7edf\u4e00\u7ba1\u7406jar\u5305\u7248\u672c -->\n <properties>\n <project.build.sourceEncoding>UTF-8<\/project.build.sourceEncoding>\n <maven.compiler.source>1.8<\/maven.compiler.source>\n <maven.compiler.target>1.8<\/maven.compiler.target>\n <junit.version>4.12<\/junit.version>\n <log4j.version>1.2.17<\/log4j.version>\n <lombok.version>1.16.18<\/lombok.version>\n <mysql.version>5.1.47<\/mysql.version>\n <druid.version>1.1.16<\/druid.version>\n <mybatis.spring.boot.version>1.3.0<\/mybatis.spring.boot.version>\n <\/properties>\n\n <!-- \u5b50\u6a21\u5757\u7ee7\u627f\u4e4b\u540e\uff0c\u63d0\u4f9b\u4f5c\u7528\uff1a\u9501\u5b9a\u7248\u672c+\u5b50modlue\u4e0d\u7528\u5199groupId\u548cversion -->\n <dependencyManagement>\n <dependencies>\n <!--spring boot 2.2.2-->\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-dependencies<\/artifactId>\n <version>2.2.2.RELEASE<\/version>\n <type>pom<\/type>\n <scope>import<\/scope>\n <\/dependency>\n <!--spring cloud Hoxton.SR1-->\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-dependencies<\/artifactId>\n <version>Hoxton.SR1<\/version>\n <type>pom<\/type>\n <scope>import<\/scope>\n <\/dependency>\n <!--spring cloud alibaba 2.1.0.RELEASE-->\n <dependency>\n <groupId>com.alibaba.cloud<\/groupId>\n <artifactId>spring-cloud-alibaba-dependencies<\/artifactId>\n <version>2.1.0.RELEASE<\/version>\n <type>pom<\/type>\n <scope>import<\/scope>\n <\/dependency>\n <dependency>\n <groupId>mysql<\/groupId>\n <artifactId>mysql-connector-java<\/artifactId>\n <version>${mysql.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>com.alibaba<\/groupId>\n <artifactId>druid<\/artifactId>\n <version>${druid.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>org.mybatis.spring.boot<\/groupId>\n <artifactId>mybatis-spring-boot-starter<\/artifactId>\n <version>${mybatis.spring.boot.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>junit<\/groupId>\n <artifactId>junit<\/artifactId>\n <version>${junit.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>log4j<\/groupId>\n <artifactId>log4j<\/artifactId>\n <version>${log4j.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>org.projectlombok<\/groupId>\n <artifactId>lombok<\/artifactId>\n <version>${lombok.version}<\/version>\n <optional>true<\/optional>\n <\/dependency>\n <\/dependencies>\n <\/dependencyManagement>\n\n <build>\n <plugins>\n <plugin>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-maven-plugin<\/artifactId>\n <configuration>\n <fork>true<\/fork>\n <addResources>true<\/addResources>\n <\/configuration>\n <\/plugin>\n <\/plugins>\n <\/build>\n\n<\/project><\/code><\/pre>\nMaven\u5de5\u7a0b\u843d\u5730\u7ec6\u8282\u590d\u4e60<\/h3>\n
Maven\u4e2d\u7684DependencyManagement\u548cDependencies<\/p>\n
dependencyManagement<\/h4>\n
Maven \u4f7f\u7528dependencyManagement \u5143\u7d20\u6765\u63d0\u4f9b\u4e86\u4e00\u79cd\u7ba1\u7406\u4f9d\u8d56\u7248\u672c\u53f7\u7684\u65b9\u5f0f\u3002
\n\u901a\u5e38\u4f1a\u5728\u4e00\u4e2a\u7ec4\u7ec7\u6216\u8005\u9879\u76ee\u7684\u6700\u9876\u5c42\u7684\u7236POM \u4e2d\u770b\u5230dependencyManagement \u5143\u7d20\u3002<\/p>\n
\u4f7f\u7528pom.xml \u4e2d\u7684dependencyManagement \u5143\u7d20\u80fd\u8ba9\u6240\u6709\u5728\u5b50\u9879\u76ee\u4e2d\u5f15\u7528\u4e00\u4e2a\u4f9d\u8d56\u800c\u4e0d\u7528\u663e\u5f0f\u7684\u5217\u51fa\u7248\u672c\u53f7\u3002
\nMaven \u4f1a\u6cbf\u7740\u7236\u5b50\u5c42\u6b21\u5411\u4e0a\u8d70\uff0c\u76f4\u5230\u627e\u5230\u4e00\u4e2a\u62e5\u6709dependencyManagement \u5143\u7d20\u7684\u9879\u76ee\uff0c\u7136\u540e\u5b83\u5c31\u4f1a\u4f7f\u7528\u8fd9\u4e2a
\ndependencyManagement \u5143\u7d20\u4e2d\u6307\u5b9a\u7684\u7248\u672c\u53f7\u3002<\/p>\n
\u8fd9\u6837\u505a\u7684\u597d\u5904\u5c31\u662f\uff1a\u5982\u679c\u6709\u591a\u4e2a\u5b50\u9879\u76ee\u90fd\u5f15\u7528\u540c\u4e00\u6837\u4f9d\u8d56\uff0c\u5219\u53ef\u4ee5\u907f\u514d\u5728\u6bcf\u4e2a\u4f7f\u7528\u7684\u5b50\u9879\u76ee\u91cc\u90fd\u58f0\u660e\u4e00\u4e2a\u7248\u672c\u53f7\uff0c\u8fd9\u6837\u5f53\u60f3\u5347\u7ea7\u6216\u5207\u6362\u5230\u53e6\u4e00\u4e2a\u7248\u672c\u65f6\uff0c\u53ea\u9700\u8981\u5728\u9876\u5c42\u7236\u5bb9\u5668\u91cc\u66f4\u65b0\uff0c\u800c\u4e0d\u9700\u8981\u4e00\u4e2a\u4e00\u4e2a\u5b50\u9879\u76ee\u7684\u4fee\u6539 \uff1b\u53e6\u5916\u5982\u679c\u67d0\u4e2a\u5b50\u9879\u76ee\u9700\u8981\u53e6\u5916\u7684\u4e00\u4e2a\u7248\u672c\uff0c\u53ea\u9700\u8981\u58f0\u660eversion\u5c31\u53ef\u3002<\/p>\n
\n- \n
dependencyManagement\u91cc\u53ea\u662f\u58f0\u660e\u4f9d\u8d56\uff0c\u5e76\u4e0d\u5b9e\u73b0\u5f15\u5165\uff0c\u56e0\u6b64\u5b50\u9879\u76ee\u9700\u8981\u663e\u793a\u7684\u58f0\u660e\u9700\u8981\u7528\u7684\u4f9d\u8d56\u3002<\/p>\n<\/li>\n
- \n
\u5982\u679c\u4e0d\u5728\u5b50\u9879\u76ee\u4e2d\u58f0\u660e\u4f9d\u8d56\uff0c\u662f\u4e0d\u4f1a\u4ece\u7236\u9879\u76ee\u4e2d\u7ee7\u627f\u4e0b\u6765\u7684\uff1b\u53ea\u6709\u5728\u5b50\u9879\u76ee\u4e2d\u5199\u4e86\u8be5\u4f9d\u8d56\u9879\uff0c\u5e76\u4e14\u6ca1\u6709\u6307\u5b9a\u5177\u4f53\u7248\u672c\uff0c
\n\u624d\u4f1a\u4ece\u7236\u9879\u76ee\u4e2d\u7ee7\u627f\u8be5\u9879\uff0c\u5e76\u4e14version\u548cscope\u90fd\u8bfb\u53d6\u81ea\u7236pom;<\/p>\n<\/li>\n
- \n
\u5982\u679c\u5b50\u9879\u76ee\u4e2d\u6307\u5b9a\u4e86\u7248\u672c\u53f7\uff0c\u90a3\u4e48\u4f1a\u4f7f\u7528\u5b50\u9879\u76ee\u4e2d\u6307\u5b9a\u7684jar\u7248\u672c\u3002<\/p>\n<\/li>\n<\/ul>\n
maven\u4e2d\u8df3\u8fc7\u5355\u5143\u6d4b\u8bd5<\/h3>\n
![\"\"](\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\")
<\/div><\/p>\n\u7236\u5de5\u7a0b\u521b\u5efa\u5b8c\u6210\u6267\u884cmvn:install\u5c06\u7236\u5de5\u7a0b\u53d1\u5e03\u5230\u4ed3\u5e93\u65b9\u4fbf\u5b50\u5de5\u7a0b\u7ee7\u627f<\/p>\n
MySQL\u9a71\u52a8\u8bf4\u660e<\/h2>\n
com.mysql.jdbc.Driver\u548cmysql-connector-java 5\u4e00\u8d77\u7528\u3002
\ncom.mysql.cj.jdbc.Driver\u548cmysql-connector-java 6 \u4e00\u8d77\u7528\u3002<\/p>\n
com.mysql.cj.jdbc.Driver\u662fmysql-connector-java 6 \u4e2d\u7684\u7279\u6027\uff0c\u76f8\u6bd4mysql-connector-java 5 \u591a\u4e86\u4e00\u4e2a\u65f6\u533a\uff1aserverTimezone\uff0c\u628a\u6570\u636e\u6e90\u914d\u7f6e\u7684\u9a71\u52a8\u6539\u4e00\u4e0b\u5c31\u597d\u4e86<\/p>\n
org.gjt.mm.mysql.Driver\u662f\u5f53\u65f6\u6700\u597d\u7684MySQL JDBC\uff0c\u4f46\u4e0d\u662fMySQL\u516c\u53f8\u7684\uff0c\u7136\u540eMySQL\u5c06MM\u7684JDBC\u9a71\u52a8 \u6536\u4e3a\u5b98\u65b9\u7684JDBC\u9a71\u52a8\uff0c\u6240\u4ee5\u5c06\u9a71\u52a8\u7684package\u4e5f\u6539\u4e86\uff0c\u4f46\u8fd8\u4fdd\u7559\u4e86org.gjt.mm.mysql.Driver\u8fd9\u4e2a\u8def\u5f84\u7684\u5f15\u7528\uff0c\u4e5f\u5c31\u662f\u4f60\u4f7f\u7528\u65b0\u7248\u7684JDBC\u9a71\u52a8\u65f6\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u6765\u5f15\u7528\uff0c\u6253\u5f00\u4e0b\u8f7d\u7684\u65b0\u7248JDBC\u9a71\u52a8\u7684jar\u6587\u4ef6\u53ef\u4ee5\u770b\u5230\uff0c\u53ea\u6709\u4e00\u4e2a\u6587\u4ef6\u7684\u76ee\u5f55\u662forg.gjt.mm.mysql\uff0c\u5c31\u662f\u4e3a\u4e86\u517c\u5bb9\u800c\u8bbe\u8ba1\u7684\u3002<\/p>\n
Rest\u5fae\u670d\u52a1\u5de5\u7a0b\u6784\u5efa<\/h1>\n\u5fae\u670d\u52a1\u63d0\u4f9b\u8005\u652f\u4ed8Module\u6a21\u5757<\/h2>\n
cloud-provider-payment8001:\u670d\u52a1\u63d0\u4f9b\u8005proivder<\/p>\n
\u5efacloud-provider-payment8001<\/p>\n
\u7236\u5de5\u7a0bpom\u4f1a\u591a\u4e00\u4e2a\u6a21\u5757<\/p>\n
<modules>\n <module>cloud-provider-payment8001<\/module>\n<\/modules><\/code><\/pre>\n\u6539POM<\/p>\n
<parent>\n <artifactId>cloud2022<\/artifactId>\n <groupId>com.springcloud<\/groupId>\n <version>1.0-SNAPSHOT<\/version>\n<\/parent>\n<modelVersion>4.0.0<\/modelVersion>\n\n<artifactId>cloud-provider-payment8001<\/artifactId>\n\n<dependencies>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-web<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-actuator<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.mybatis.spring.boot<\/groupId>\n <artifactId>mybatis-spring-boot-starter<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>com.alibaba<\/groupId>\n <artifactId>druid-spring-boot-starter<\/artifactId>\n <version>1.1.10<\/version>\n <\/dependency>\n <!--mysql-connector-java-->\n <dependency>\n <groupId>mysql<\/groupId>\n <artifactId>mysql-connector-java<\/artifactId>\n <\/dependency>\n <!--jdbc-->\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-jdbc<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <scope>runtime<\/scope>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.projectlombok<\/groupId>\n <artifactId>lombok<\/artifactId>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-test<\/artifactId>\n <scope>test<\/scope>\n <\/dependency>\n<\/dependencies><\/code><\/pre>\n\u5199YML:application.yml<\/p>\n
server:\n port: 8001\n\nspring:\n application:\n name: cloud-payment-service\n datasource:\n type: com.alibaba.druid.pool.DruidDataSource # \u5f53\u524d\u6570\u636e\u6e90\u64cd\u4f5c\u7c7b\u578b\n driver-class-name: org.gjt.mm.mysql.Driver # mysql\u9a71\u52a8\u5305 com.mysql.jdbc.Driver\n url: jdbc:mysql:\/\/localhost:3307\/db2022?useUnicode=true&characterEncoding=utf-8&useSSL=false\n username: root\n password: root\n\nmybatis:\n mapperLocations: classpath:mapper\/*.xml\n type-aliases-package: com.springcloud.entity # \u6240\u6709Entity\u522b\u540d\u7c7b\u6240\u5728\u5305<\/code><\/pre>\n\u4e3b\u542f\u52a8\u7c7b\uff1a<\/p>\n
@SpringBootApplication\npublic class PaymentMain8001 {\n\n public static void main(String[] args){\n SpringApplication.run(PaymentMain8001.class,args);\n }\n\n}<\/code><\/pre>\n\u4e1a\u52a1\u7c7b<\/h2>\n
\u5efa\u8868SQL<\/p>\n
CREATE TABLE `payment` (\n `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'ID',\n `serial` varchar(200) DEFAULT '',\n PRIMARY KEY (`id`)\n ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8<\/code><\/pre>\n\u5b9e\u4f53\u7c7b<\/p>\n
@Data\n@AllArgsConstructor\n@NoArgsConstructor\npublic class Payment implements Serializable {\n\n private Long id;\n @JsonProperty(value = "serial")\n private String serial;\n\n}<\/code><\/pre>\n\u901a\u7528\u8fd4\u56de\u7ed3\u679c\u7c7b\uff1a<\/p>\n
@Data\n@AllArgsConstructor\n@NoArgsConstructor\npublic class CommonResult<T>\n{\n private Integer code;\n private String message;\n private T data;\n\n public CommonResult(Integer code, String message)\n {\n this(code,message,null);\n }\n}<\/code><\/pre>\ndao<\/p>\n
@Mapper \/\/import org.apache.ibatis.annotations.Mapper;\npublic interface PaymentDao\n{\n public int create(Payment payment);\n\n public Payment getPaymentById(@Param("id") Long id);\n}<\/code><\/pre>\n\u5bf9\u5e94mapper\u6587\u4ef6\uff0c\u5728src\\main\\resources\\mapper\\PaymentMapper.xml\u8def\u5f84\u4e0b<\/p>\n
<?xml version="1.0" encoding="UTF-8" ?>\n<!DOCTYPE mapper PUBLIC "-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN" "http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd" >\n\n<mapper namespace="com.springcloud.dao.PaymentDao">\n\n <resultMap id="BaseResultMap" type="com.springcloud.entity.Payment">\n <id column="id" property="id" jdbcType="BIGINT"\/>\n <result column="serial" property="serial" jdbcType="VARCHAR"\/>\n <\/resultMap>\n\n <insert id="create" parameterType="Payment" useGeneratedKeys="true" keyProperty="id">\n INSERT INTO payment(SERIAL) VALUES(#{serial});\n <\/insert>\n\n <select id="getPaymentById" parameterType="Long" resultMap="BaseResultMap" >\n SELECT * FROM payment WHERE id=#{id};\n <\/select>\n\n<\/mapper><\/code><\/pre>\nservice\u63a5\u53e3\u548c\u5b9e\u73b0\u7c7b<\/p>\n
public interface PaymentService\n{\n public int create(Payment payment);\n\n public Payment getPaymentById(@Param("id") Long id);\n\n}<\/code><\/pre>\n@Service\npublic class PaymentServiceImpl implements PaymentService\n{\n @Resource\n private PaymentDao paymentDao;\n\n @Override\n public int create(Payment payment)\n {\n return paymentDao.create(payment);\n }\n\n @Override\n public Payment getPaymentById(Long id)\n {\n return paymentDao.getPaymentById(id);\n }\n}<\/code><\/pre>\nController<\/p>\n
@RestController\n@Slf4j\npublic class PaymentController\n{\n @Resource\n private PaymentService paymentService;\n\n @PostMapping(value = "\/payment\/create")\n public CommonResult create(Payment payment)\n {\n int result = paymentService.create(payment);\n log.info("*****\u63d2\u5165\u64cd\u4f5c\u8fd4\u56de\u7ed3\u679c:" + result);\n\n if(result > 0)\n {\n return new CommonResult(200,"\u63d2\u5165\u6570\u636e\u5e93\u6210\u529f",result);\n }else{\n return new CommonResult(444,"\u63d2\u5165\u6570\u636e\u5e93\u5931\u8d25",null);\n }\n }\n\n @GetMapping(value = "\/payment\/get\/{id}")\n public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id)\n {\n Payment payment = paymentService.getPaymentById(id);\n log.info("*****\u67e5\u8be2\u7ed3\u679c:{}",payment);\n if (payment != null) {\n return new CommonResult(200,"\u67e5\u8be2\u6210\u529f",payment);\n }else{\n return new CommonResult(444,"\u6ca1\u6709\u5bf9\u5e94\u8bb0\u5f55,\u67e5\u8be2ID: "+id,null);\n }\n }\n}<\/code><\/pre>\n @PostMapping\u65b0\u589e\u6570\u636e\u65f6\uff0c\u5982\u679c\u6709@RequestBody\u6ce8\u89e3\uff0c\u4f1a\u627e\u4e0d\u5230\u7c7b\u578b\uff0c\u52a0\u4e0a@JsonProperties\u4e5f\u4e0d\u884c<\/strong><\/p>\n\u5c0f\u603b\u7ed3<\/h2>\n
\u5efamodule<\/p>\n
\u6539POM<\/p>\n
\u5199YML<\/p>\n
\u4e3b\u542f\u52a8<\/p>\n
\u4e1a\u52a1\u7c7b<\/p>\n
\u70ed\u90e8\u7f72Devtools<\/strong><\/h2>\n\u6dfb\u52a0jar<\/p>\n
<dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <scope>runtime<\/scope>\n <optional>true<\/optional>\n<\/dependency>\n<\/code><\/pre>\n\u4e0b\u6bb5\u914d\u7f6e\u6211\u4eec\u7c98\u8d34\u8fdb\u805a\u5408\u7236\u7c7b\u603b\u5de5\u7a0b\u7684pom.xml\u91cc<\/p>\n
<build>\n <finalName>\u4f60\u81ea\u5df1\u7684\u5de5\u7a0b\u540d\u5b57<\/finalName>\n <plugins>\n <plugin>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-maven-plugin<\/artifactId>\n <configuration>\n <fork>true<\/fork>\n <addResources>true<\/addResources>\n <\/configuration>\n <\/plugin>\n <\/plugins>\n<\/build><\/code><\/pre>\nidea\u4fee\u6539<\/p>\n
<\/div><\/p>\n\u5fae\u670d\u52a1\u6d88\u8d39\u8005\u8ba2\u5355Module\u6a21\u5757<\/h2>\n
cloud-consumer-order80-\u670d\u52a1\u6d88\u8d39\u8005consumer<\/p>\n
POM<\/p>\n
<parent>\n <artifactId>cloud2022<\/artifactId>\n <groupId>com.springcloud<\/groupId>\n <version>1.0-SNAPSHOT<\/version>\n <\/parent>\n <modelVersion>4.0.0<\/modelVersion>\n\n <artifactId>cloud-consumer-order80<\/artifactId>\n\n <dependencies>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-web<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-actuator<\/artifactId>\n <\/dependency>\n\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <scope>runtime<\/scope>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.projectlombok<\/groupId>\n <artifactId>lombok<\/artifactId>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-test<\/artifactId>\n <scope>test<\/scope>\n <\/dependency>\n <\/dependencies><\/code><\/pre>\nYML<\/p>\n
server:\n port: 80<\/code><\/pre>\n\u4e3b\u542f\u52a8\u7c7b<\/p>\n
@SpringBootApplication\npublic class MainApp80 {\n\n public static void main(String[] args){\n SpringApplication.run(MainApp80.class,args);\n }\n}<\/code><\/pre>\n\u5b9e\u4f53\u7c7b\u548c8001\u670d\u52a1\u63d0\u4f9b\u8005\u4e00\u81f4<\/p>\n
\u9996\u8bf4RestTemplate<\/h2>\n
RestTemplate\u63d0\u4f9b\u4e86\u591a\u79cd\u4fbf\u6377\u8bbf\u95ee\u8fdc\u7a0bHttp\u670d\u52a1\u7684\u65b9\u6cd5\uff0c
\n\u662f\u4e00\u79cd\u7b80\u5355\u4fbf\u6377\u7684\u8bbf\u95eerestful\u670d\u52a1\u6a21\u677f\u7c7b\uff0c\u662fSpring\u63d0\u4f9b\u7684\u7528\u4e8e\u8bbf\u95eeRest\u670d\u52a1\u7684\u5ba2\u6237\u7aef\u6a21\u677f\u5de5\u5177\u96c6<\/p>\n
\u5b98\u7f51\u5730\u5740<\/p>\n
https:\/\/docs.spring.io\/spring-framework\/docs\/5.2.2.RELEASE\/javadoc-api\/org\/springframework\/web\/client\/RestTemplate.html<\/a><\/p>\n\u4f7f\u7528
\n\u4f7f\u7528restTemplate\u8bbf\u95eerestful\u63a5\u53e3\u975e\u5e38\u7684\u7b80\u5355\u7c97\u66b4\u65e0\u8111\u3002
\n(url, requestMap, ResponseBean.class)\u8fd9\u4e09\u4e2a\u53c2\u6570\u5206\u522b\u4ee3\u8868
\nREST\u8bf7\u6c42\u5730\u5740\u3001\u8bf7\u6c42\u53c2\u6570\u3001HTTP\u54cd\u5e94\u8f6c\u6362\u88ab\u8f6c\u6362\u6210\u7684\u5bf9\u8c61\u7c7b\u578b\u3002<\/p>\n
\u914d\u7f6e<\/p>\n
@Configuration\npublic class ApplicationContextConfig {\n\n @Bean\n public RestTemplate getRestTemplate(){\n return new RestTemplate();\n }\n}<\/code><\/pre>\ncontroller\u4e2d\u4f7f\u7528<\/p>\n
@RestController\npublic class OrderController\n{\n\n public static final String PaymentSrv_URL = "http:\/\/localhost:8001";\n\n @Autowired\n private RestTemplate restTemplate;\n\n @GetMapping("\/consumer\/payment\/create") \/\/\u5ba2\u6237\u7aef\u7528\u6d4f\u89c8\u5668\u662fget\u8bf7\u6c42\uff0c\u4f46\u662f\u5e95\u5c42\u5b9e\u8d28\u53d1\u9001post\u8c03\u7528\u670d\u52a1\u7aef8001\n public CommonResult create(Payment payment)\n {\n return restTemplate.postForObject(PaymentSrv_URL + "\/payment\/create",payment,CommonResult.class);\n }\n\n @GetMapping("\/consumer\/payment\/get\/{id}")\n public CommonResult getPayment(@PathVariable Long id)\n {\n return restTemplate.getForObject(PaymentSrv_URL + "\/payment\/get\/"+id, CommonResult.class, id);\n }\n}<\/code><\/pre>\n\u6d4b\u8bd5<\/h2>\n
http:\/\/localhost\/consumer\/payment\/get\/1<\/a><\/p>\n\u4e0d\u8981\u5fd8\u8bb0@RequestBody\u6ce8\u89e3--\u6682\u65f6\u6ca1\u5f04\u6e05\u695a\uff0c\u4e3a\u4ec0\u4e48\u8bbf\u95ee8001\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u52a0\u4e0a\u6ce8\u89e3<\/strong><\/p>\nhttp:\/\/localhost\/consumer\/payment\/create?serial=aaaaa1<\/a><\/p>\n\u5de5\u7a0b\u91cd\u6784<\/h2>\n
\u89c2\u5bdf\u95ee\u9898\uff1a<\/p>\n
\u7cfb\u7edf\u4e2d\u6709\u91cd\u590d\u90e8\u5206\uff0c\u91cd\u6784<\/p>\n
\u5b9e\u4f53\u7c7b\u91cd\u590d\u4e86\uff0c\u540e\u671f\u5982\u679c\u6709\u591a\u4e2a\u9879\u76ee\uff0c\u5b9e\u4f53\u7c7b\u4f1a\u81a8\u80c0<\/p>\n
\u65b0\u5efa\uff1acloud-api-commons<\/p>\n
POM<\/p>\n
<parent>\n <artifactId>cloud2022<\/artifactId>\n <groupId>com.springcloud<\/groupId>\n <version>1.0-SNAPSHOT<\/version>\n <\/parent>\n <modelVersion>4.0.0<\/modelVersion>\n\n <artifactId>cloud-api-commons<\/artifactId>\n\n <dependencies>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <scope>runtime<\/scope>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.projectlombok<\/groupId>\n <artifactId>lombok<\/artifactId>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>cn.hutool<\/groupId>\n <artifactId>hutool-all<\/artifactId>\n <version>5.1.0<\/version>\n <\/dependency>\n <\/dependencies><\/code><\/pre>\n\u6dfb\u52a0Payment\u548cCommonResult\u5b9e\u4f53\u7c7b\uff0c\u53c2\u7167\u57288001\u670d\u52a1\u63d0\u4f9b\u8005\u6a21\u5757<\/p>\n
maven\u547d\u4ee4clean install\uff0c\u6253\u5305\u65b9\u4fbf\u5176\u5b83\u6a21\u5757\u5f15\u7528<\/p>\n
\u8ba2\u535580\u548c\u652f\u4ed88001\u5206\u522b\u6539\u9020\uff1a<\/p>\n
\u5220\u9664\u539f\u6765\u7684entity\u5305<\/p>\n
\u5f15\u5165<\/p>\n
<dependency>\n <groupId>com.springcloud<\/groupId>\n <artifactId>cloud-api-commons<\/artifactId>\n <version>${project.version}<\/version>\n<\/dependency><\/code><\/pre>\n\u81ea\u6d4b\u901a\u8fc7<\/p>\n
\n<?xml version="1.0" encoding="UTF-8"?>\n\n<project xmlns="http:\/\/maven.apache.org\/POM\/4.0.0" xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"\n xsi:schemaLocation="http:\/\/maven.apache.org\/POM\/4.0.0 http:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd">\n <modelVersion>4.0.0<\/modelVersion>\n\n <groupId>com.atguigu.springcloud<\/groupId>\n <artifactId>mscloud03<\/artifactId>\n <version>1.0-SNAPSHOT<\/version>\n <packaging>pom<\/packaging>\n\n <!-- \u7edf\u4e00\u7ba1\u7406jar\u5305\u7248\u672c -->\n <properties>\n <project.build.sourceEncoding>UTF-8<\/project.build.sourceEncoding>\n <maven.compiler.source>1.8<\/maven.compiler.source>\n <maven.compiler.target>1.8<\/maven.compiler.target>\n <junit.version>4.12<\/junit.version>\n <log4j.version>1.2.17<\/log4j.version>\n <lombok.version>1.16.18<\/lombok.version>\n <mysql.version>5.1.47<\/mysql.version>\n <druid.version>1.1.16<\/druid.version>\n <mybatis.spring.boot.version>1.3.0<\/mybatis.spring.boot.version>\n <\/properties>\n\n <!-- \u5b50\u6a21\u5757\u7ee7\u627f\u4e4b\u540e\uff0c\u63d0\u4f9b\u4f5c\u7528\uff1a\u9501\u5b9a\u7248\u672c+\u5b50modlue\u4e0d\u7528\u5199groupId\u548cversion -->\n <dependencyManagement>\n <dependencies>\n <!--spring boot 2.2.2-->\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-dependencies<\/artifactId>\n <version>2.2.2.RELEASE<\/version>\n <type>pom<\/type>\n <scope>import<\/scope>\n <\/dependency>\n <!--spring cloud Hoxton.SR1-->\n <dependency>\n <groupId>org.springframework.cloud<\/groupId>\n <artifactId>spring-cloud-dependencies<\/artifactId>\n <version>Hoxton.SR1<\/version>\n <type>pom<\/type>\n <scope>import<\/scope>\n <\/dependency>\n <!--spring cloud alibaba 2.1.0.RELEASE-->\n <dependency>\n <groupId>com.alibaba.cloud<\/groupId>\n <artifactId>spring-cloud-alibaba-dependencies<\/artifactId>\n <version>2.1.0.RELEASE<\/version>\n <type>pom<\/type>\n <scope>import<\/scope>\n <\/dependency>\n <dependency>\n <groupId>mysql<\/groupId>\n <artifactId>mysql-connector-java<\/artifactId>\n <version>${mysql.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>com.alibaba<\/groupId>\n <artifactId>druid<\/artifactId>\n <version>${druid.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>org.mybatis.spring.boot<\/groupId>\n <artifactId>mybatis-spring-boot-starter<\/artifactId>\n <version>${mybatis.spring.boot.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>junit<\/groupId>\n <artifactId>junit<\/artifactId>\n <version>${junit.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>log4j<\/groupId>\n <artifactId>log4j<\/artifactId>\n <version>${log4j.version}<\/version>\n <\/dependency>\n <dependency>\n <groupId>org.projectlombok<\/groupId>\n <artifactId>lombok<\/artifactId>\n <version>${lombok.version}<\/version>\n <optional>true<\/optional>\n <\/dependency>\n <\/dependencies>\n <\/dependencyManagement>\n\n <build>\n <plugins>\n <plugin>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-maven-plugin<\/artifactId>\n <configuration>\n <fork>true<\/fork>\n <addResources>true<\/addResources>\n <\/configuration>\n <\/plugin>\n <\/plugins>\n <\/build>\n\n<\/project><\/code><\/pre>\nMaven\u5de5\u7a0b\u843d\u5730\u7ec6\u8282\u590d\u4e60<\/h3>\n
Maven\u4e2d\u7684DependencyManagement\u548cDependencies<\/p>\n
dependencyManagement<\/h4>\n
Maven \u4f7f\u7528dependencyManagement \u5143\u7d20\u6765\u63d0\u4f9b\u4e86\u4e00\u79cd\u7ba1\u7406\u4f9d\u8d56\u7248\u672c\u53f7\u7684\u65b9\u5f0f\u3002
\n\u901a\u5e38\u4f1a\u5728\u4e00\u4e2a\u7ec4\u7ec7\u6216\u8005\u9879\u76ee\u7684\u6700\u9876\u5c42\u7684\u7236POM \u4e2d\u770b\u5230dependencyManagement \u5143\u7d20\u3002<\/p>\n
\u4f7f\u7528pom.xml \u4e2d\u7684dependencyManagement \u5143\u7d20\u80fd\u8ba9\u6240\u6709\u5728\u5b50\u9879\u76ee\u4e2d\u5f15\u7528\u4e00\u4e2a\u4f9d\u8d56\u800c\u4e0d\u7528\u663e\u5f0f\u7684\u5217\u51fa\u7248\u672c\u53f7\u3002
\nMaven \u4f1a\u6cbf\u7740\u7236\u5b50\u5c42\u6b21\u5411\u4e0a\u8d70\uff0c\u76f4\u5230\u627e\u5230\u4e00\u4e2a\u62e5\u6709dependencyManagement \u5143\u7d20\u7684\u9879\u76ee\uff0c\u7136\u540e\u5b83\u5c31\u4f1a\u4f7f\u7528\u8fd9\u4e2a
\ndependencyManagement \u5143\u7d20\u4e2d\u6307\u5b9a\u7684\u7248\u672c\u53f7\u3002<\/p>\n
\u8fd9\u6837\u505a\u7684\u597d\u5904\u5c31\u662f\uff1a\u5982\u679c\u6709\u591a\u4e2a\u5b50\u9879\u76ee\u90fd\u5f15\u7528\u540c\u4e00\u6837\u4f9d\u8d56\uff0c\u5219\u53ef\u4ee5\u907f\u514d\u5728\u6bcf\u4e2a\u4f7f\u7528\u7684\u5b50\u9879\u76ee\u91cc\u90fd\u58f0\u660e\u4e00\u4e2a\u7248\u672c\u53f7\uff0c\u8fd9\u6837\u5f53\u60f3\u5347\u7ea7\u6216\u5207\u6362\u5230\u53e6\u4e00\u4e2a\u7248\u672c\u65f6\uff0c\u53ea\u9700\u8981\u5728\u9876\u5c42\u7236\u5bb9\u5668\u91cc\u66f4\u65b0\uff0c\u800c\u4e0d\u9700\u8981\u4e00\u4e2a\u4e00\u4e2a\u5b50\u9879\u76ee\u7684\u4fee\u6539 \uff1b\u53e6\u5916\u5982\u679c\u67d0\u4e2a\u5b50\u9879\u76ee\u9700\u8981\u53e6\u5916\u7684\u4e00\u4e2a\u7248\u672c\uff0c\u53ea\u9700\u8981\u58f0\u660eversion\u5c31\u53ef\u3002<\/p>\n
\n- \n
dependencyManagement\u91cc\u53ea\u662f\u58f0\u660e\u4f9d\u8d56\uff0c\u5e76\u4e0d\u5b9e\u73b0\u5f15\u5165\uff0c\u56e0\u6b64\u5b50\u9879\u76ee\u9700\u8981\u663e\u793a\u7684\u58f0\u660e\u9700\u8981\u7528\u7684\u4f9d\u8d56\u3002<\/p>\n<\/li>\n
- \n
\u5982\u679c\u4e0d\u5728\u5b50\u9879\u76ee\u4e2d\u58f0\u660e\u4f9d\u8d56\uff0c\u662f\u4e0d\u4f1a\u4ece\u7236\u9879\u76ee\u4e2d\u7ee7\u627f\u4e0b\u6765\u7684\uff1b\u53ea\u6709\u5728\u5b50\u9879\u76ee\u4e2d\u5199\u4e86\u8be5\u4f9d\u8d56\u9879\uff0c\u5e76\u4e14\u6ca1\u6709\u6307\u5b9a\u5177\u4f53\u7248\u672c\uff0c
\n\u624d\u4f1a\u4ece\u7236\u9879\u76ee\u4e2d\u7ee7\u627f\u8be5\u9879\uff0c\u5e76\u4e14version\u548cscope\u90fd\u8bfb\u53d6\u81ea\u7236pom;<\/p>\n<\/li>\n
- \n
\u5982\u679c\u5b50\u9879\u76ee\u4e2d\u6307\u5b9a\u4e86\u7248\u672c\u53f7\uff0c\u90a3\u4e48\u4f1a\u4f7f\u7528\u5b50\u9879\u76ee\u4e2d\u6307\u5b9a\u7684jar\u7248\u672c\u3002<\/p>\n<\/li>\n<\/ul>\n
maven\u4e2d\u8df3\u8fc7\u5355\u5143\u6d4b\u8bd5<\/h3>\n
<\/div><\/p>\n\u7236\u5de5\u7a0b\u521b\u5efa\u5b8c\u6210\u6267\u884cmvn:install\u5c06\u7236\u5de5\u7a0b\u53d1\u5e03\u5230\u4ed3\u5e93\u65b9\u4fbf\u5b50\u5de5\u7a0b\u7ee7\u627f<\/p>\n
MySQL\u9a71\u52a8\u8bf4\u660e<\/h2>\n
com.mysql.jdbc.Driver\u548cmysql-connector-java 5\u4e00\u8d77\u7528\u3002
\ncom.mysql.cj.jdbc.Driver\u548cmysql-connector-java 6 \u4e00\u8d77\u7528\u3002<\/p>\n
com.mysql.cj.jdbc.Driver\u662fmysql-connector-java 6 \u4e2d\u7684\u7279\u6027\uff0c\u76f8\u6bd4mysql-connector-java 5 \u591a\u4e86\u4e00\u4e2a\u65f6\u533a\uff1aserverTimezone\uff0c\u628a\u6570\u636e\u6e90\u914d\u7f6e\u7684\u9a71\u52a8\u6539\u4e00\u4e0b\u5c31\u597d\u4e86<\/p>\n
org.gjt.mm.mysql.Driver\u662f\u5f53\u65f6\u6700\u597d\u7684MySQL JDBC\uff0c\u4f46\u4e0d\u662fMySQL\u516c\u53f8\u7684\uff0c\u7136\u540eMySQL\u5c06MM\u7684JDBC\u9a71\u52a8 \u6536\u4e3a\u5b98\u65b9\u7684JDBC\u9a71\u52a8\uff0c\u6240\u4ee5\u5c06\u9a71\u52a8\u7684package\u4e5f\u6539\u4e86\uff0c\u4f46\u8fd8\u4fdd\u7559\u4e86org.gjt.mm.mysql.Driver\u8fd9\u4e2a\u8def\u5f84\u7684\u5f15\u7528\uff0c\u4e5f\u5c31\u662f\u4f60\u4f7f\u7528\u65b0\u7248\u7684JDBC\u9a71\u52a8\u65f6\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u6765\u5f15\u7528\uff0c\u6253\u5f00\u4e0b\u8f7d\u7684\u65b0\u7248JDBC\u9a71\u52a8\u7684jar\u6587\u4ef6\u53ef\u4ee5\u770b\u5230\uff0c\u53ea\u6709\u4e00\u4e2a\u6587\u4ef6\u7684\u76ee\u5f55\u662forg.gjt.mm.mysql\uff0c\u5c31\u662f\u4e3a\u4e86\u517c\u5bb9\u800c\u8bbe\u8ba1\u7684\u3002<\/p>\n
Rest\u5fae\u670d\u52a1\u5de5\u7a0b\u6784\u5efa<\/h1>\n\u5fae\u670d\u52a1\u63d0\u4f9b\u8005\u652f\u4ed8Module\u6a21\u5757<\/h2>\n
cloud-provider-payment8001:\u670d\u52a1\u63d0\u4f9b\u8005proivder<\/p>\n
\u5efacloud-provider-payment8001<\/p>\n
\u7236\u5de5\u7a0bpom\u4f1a\u591a\u4e00\u4e2a\u6a21\u5757<\/p>\n
<modules>\n <module>cloud-provider-payment8001<\/module>\n<\/modules><\/code><\/pre>\n\u6539POM<\/p>\n
<parent>\n <artifactId>cloud2022<\/artifactId>\n <groupId>com.springcloud<\/groupId>\n <version>1.0-SNAPSHOT<\/version>\n<\/parent>\n<modelVersion>4.0.0<\/modelVersion>\n\n<artifactId>cloud-provider-payment8001<\/artifactId>\n\n<dependencies>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-web<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-actuator<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.mybatis.spring.boot<\/groupId>\n <artifactId>mybatis-spring-boot-starter<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>com.alibaba<\/groupId>\n <artifactId>druid-spring-boot-starter<\/artifactId>\n <version>1.1.10<\/version>\n <\/dependency>\n <!--mysql-connector-java-->\n <dependency>\n <groupId>mysql<\/groupId>\n <artifactId>mysql-connector-java<\/artifactId>\n <\/dependency>\n <!--jdbc-->\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-jdbc<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <scope>runtime<\/scope>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.projectlombok<\/groupId>\n <artifactId>lombok<\/artifactId>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-test<\/artifactId>\n <scope>test<\/scope>\n <\/dependency>\n<\/dependencies><\/code><\/pre>\n\u5199YML:application.yml<\/p>\n
server:\n port: 8001\n\nspring:\n application:\n name: cloud-payment-service\n datasource:\n type: com.alibaba.druid.pool.DruidDataSource # \u5f53\u524d\u6570\u636e\u6e90\u64cd\u4f5c\u7c7b\u578b\n driver-class-name: org.gjt.mm.mysql.Driver # mysql\u9a71\u52a8\u5305 com.mysql.jdbc.Driver\n url: jdbc:mysql:\/\/localhost:3307\/db2022?useUnicode=true&characterEncoding=utf-8&useSSL=false\n username: root\n password: root\n\nmybatis:\n mapperLocations: classpath:mapper\/*.xml\n type-aliases-package: com.springcloud.entity # \u6240\u6709Entity\u522b\u540d\u7c7b\u6240\u5728\u5305<\/code><\/pre>\n\u4e3b\u542f\u52a8\u7c7b\uff1a<\/p>\n
@SpringBootApplication\npublic class PaymentMain8001 {\n\n public static void main(String[] args){\n SpringApplication.run(PaymentMain8001.class,args);\n }\n\n}<\/code><\/pre>\n\u4e1a\u52a1\u7c7b<\/h2>\n
\u5efa\u8868SQL<\/p>\n
CREATE TABLE `payment` (\n `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'ID',\n `serial` varchar(200) DEFAULT '',\n PRIMARY KEY (`id`)\n ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8<\/code><\/pre>\n\u5b9e\u4f53\u7c7b<\/p>\n
@Data\n@AllArgsConstructor\n@NoArgsConstructor\npublic class Payment implements Serializable {\n\n private Long id;\n @JsonProperty(value = "serial")\n private String serial;\n\n}<\/code><\/pre>\n\u901a\u7528\u8fd4\u56de\u7ed3\u679c\u7c7b\uff1a<\/p>\n
@Data\n@AllArgsConstructor\n@NoArgsConstructor\npublic class CommonResult<T>\n{\n private Integer code;\n private String message;\n private T data;\n\n public CommonResult(Integer code, String message)\n {\n this(code,message,null);\n }\n}<\/code><\/pre>\ndao<\/p>\n
@Mapper \/\/import org.apache.ibatis.annotations.Mapper;\npublic interface PaymentDao\n{\n public int create(Payment payment);\n\n public Payment getPaymentById(@Param("id") Long id);\n}<\/code><\/pre>\n\u5bf9\u5e94mapper\u6587\u4ef6\uff0c\u5728src\\main\\resources\\mapper\\PaymentMapper.xml\u8def\u5f84\u4e0b<\/p>\n
<?xml version="1.0" encoding="UTF-8" ?>\n<!DOCTYPE mapper PUBLIC "-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN" "http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd" >\n\n<mapper namespace="com.springcloud.dao.PaymentDao">\n\n <resultMap id="BaseResultMap" type="com.springcloud.entity.Payment">\n <id column="id" property="id" jdbcType="BIGINT"\/>\n <result column="serial" property="serial" jdbcType="VARCHAR"\/>\n <\/resultMap>\n\n <insert id="create" parameterType="Payment" useGeneratedKeys="true" keyProperty="id">\n INSERT INTO payment(SERIAL) VALUES(#{serial});\n <\/insert>\n\n <select id="getPaymentById" parameterType="Long" resultMap="BaseResultMap" >\n SELECT * FROM payment WHERE id=#{id};\n <\/select>\n\n<\/mapper><\/code><\/pre>\nservice\u63a5\u53e3\u548c\u5b9e\u73b0\u7c7b<\/p>\n
public interface PaymentService\n{\n public int create(Payment payment);\n\n public Payment getPaymentById(@Param("id") Long id);\n\n}<\/code><\/pre>\n@Service\npublic class PaymentServiceImpl implements PaymentService\n{\n @Resource\n private PaymentDao paymentDao;\n\n @Override\n public int create(Payment payment)\n {\n return paymentDao.create(payment);\n }\n\n @Override\n public Payment getPaymentById(Long id)\n {\n return paymentDao.getPaymentById(id);\n }\n}<\/code><\/pre>\nController<\/p>\n
@RestController\n@Slf4j\npublic class PaymentController\n{\n @Resource\n private PaymentService paymentService;\n\n @PostMapping(value = "\/payment\/create")\n public CommonResult create(Payment payment)\n {\n int result = paymentService.create(payment);\n log.info("*****\u63d2\u5165\u64cd\u4f5c\u8fd4\u56de\u7ed3\u679c:" + result);\n\n if(result > 0)\n {\n return new CommonResult(200,"\u63d2\u5165\u6570\u636e\u5e93\u6210\u529f",result);\n }else{\n return new CommonResult(444,"\u63d2\u5165\u6570\u636e\u5e93\u5931\u8d25",null);\n }\n }\n\n @GetMapping(value = "\/payment\/get\/{id}")\n public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id)\n {\n Payment payment = paymentService.getPaymentById(id);\n log.info("*****\u67e5\u8be2\u7ed3\u679c:{}",payment);\n if (payment != null) {\n return new CommonResult(200,"\u67e5\u8be2\u6210\u529f",payment);\n }else{\n return new CommonResult(444,"\u6ca1\u6709\u5bf9\u5e94\u8bb0\u5f55,\u67e5\u8be2ID: "+id,null);\n }\n }\n}<\/code><\/pre>\n @PostMapping\u65b0\u589e\u6570\u636e\u65f6\uff0c\u5982\u679c\u6709@RequestBody\u6ce8\u89e3\uff0c\u4f1a\u627e\u4e0d\u5230\u7c7b\u578b\uff0c\u52a0\u4e0a@JsonProperties\u4e5f\u4e0d\u884c<\/strong><\/p>\n\u5c0f\u603b\u7ed3<\/h2>\n
\u5efamodule<\/p>\n
\u6539POM<\/p>\n
\u5199YML<\/p>\n
\u4e3b\u542f\u52a8<\/p>\n
\u4e1a\u52a1\u7c7b<\/p>\n
\u70ed\u90e8\u7f72Devtools<\/strong><\/h2>\n\u6dfb\u52a0jar<\/p>\n
<dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <scope>runtime<\/scope>\n <optional>true<\/optional>\n<\/dependency>\n<\/code><\/pre>\n\u4e0b\u6bb5\u914d\u7f6e\u6211\u4eec\u7c98\u8d34\u8fdb\u805a\u5408\u7236\u7c7b\u603b\u5de5\u7a0b\u7684pom.xml\u91cc<\/p>\n
<build>\n <finalName>\u4f60\u81ea\u5df1\u7684\u5de5\u7a0b\u540d\u5b57<\/finalName>\n <plugins>\n <plugin>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-maven-plugin<\/artifactId>\n <configuration>\n <fork>true<\/fork>\n <addResources>true<\/addResources>\n <\/configuration>\n <\/plugin>\n <\/plugins>\n<\/build><\/code><\/pre>\nidea\u4fee\u6539<\/p>\n
<\/div><\/p>\n\u5fae\u670d\u52a1\u6d88\u8d39\u8005\u8ba2\u5355Module\u6a21\u5757<\/h2>\n
cloud-consumer-order80-\u670d\u52a1\u6d88\u8d39\u8005consumer<\/p>\n
POM<\/p>\n
<parent>\n <artifactId>cloud2022<\/artifactId>\n <groupId>com.springcloud<\/groupId>\n <version>1.0-SNAPSHOT<\/version>\n <\/parent>\n <modelVersion>4.0.0<\/modelVersion>\n\n <artifactId>cloud-consumer-order80<\/artifactId>\n\n <dependencies>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-web<\/artifactId>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-actuator<\/artifactId>\n <\/dependency>\n\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <scope>runtime<\/scope>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.projectlombok<\/groupId>\n <artifactId>lombok<\/artifactId>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-test<\/artifactId>\n <scope>test<\/scope>\n <\/dependency>\n <\/dependencies><\/code><\/pre>\nYML<\/p>\n
server:\n port: 80<\/code><\/pre>\n\u4e3b\u542f\u52a8\u7c7b<\/p>\n
@SpringBootApplication\npublic class MainApp80 {\n\n public static void main(String[] args){\n SpringApplication.run(MainApp80.class,args);\n }\n}<\/code><\/pre>\n\u5b9e\u4f53\u7c7b\u548c8001\u670d\u52a1\u63d0\u4f9b\u8005\u4e00\u81f4<\/p>\n
\u9996\u8bf4RestTemplate<\/h2>\n
RestTemplate\u63d0\u4f9b\u4e86\u591a\u79cd\u4fbf\u6377\u8bbf\u95ee\u8fdc\u7a0bHttp\u670d\u52a1\u7684\u65b9\u6cd5\uff0c
\n\u662f\u4e00\u79cd\u7b80\u5355\u4fbf\u6377\u7684\u8bbf\u95eerestful\u670d\u52a1\u6a21\u677f\u7c7b\uff0c\u662fSpring\u63d0\u4f9b\u7684\u7528\u4e8e\u8bbf\u95eeRest\u670d\u52a1\u7684\u5ba2\u6237\u7aef\u6a21\u677f\u5de5\u5177\u96c6<\/p>\n
\u5b98\u7f51\u5730\u5740<\/p>\n
https:\/\/docs.spring.io\/spring-framework\/docs\/5.2.2.RELEASE\/javadoc-api\/org\/springframework\/web\/client\/RestTemplate.html<\/a><\/p>\n\u4f7f\u7528
\n\u4f7f\u7528restTemplate\u8bbf\u95eerestful\u63a5\u53e3\u975e\u5e38\u7684\u7b80\u5355\u7c97\u66b4\u65e0\u8111\u3002
\n(url, requestMap, ResponseBean.class)\u8fd9\u4e09\u4e2a\u53c2\u6570\u5206\u522b\u4ee3\u8868
\nREST\u8bf7\u6c42\u5730\u5740\u3001\u8bf7\u6c42\u53c2\u6570\u3001HTTP\u54cd\u5e94\u8f6c\u6362\u88ab\u8f6c\u6362\u6210\u7684\u5bf9\u8c61\u7c7b\u578b\u3002<\/p>\n
\u914d\u7f6e<\/p>\n
@Configuration\npublic class ApplicationContextConfig {\n\n @Bean\n public RestTemplate getRestTemplate(){\n return new RestTemplate();\n }\n}<\/code><\/pre>\ncontroller\u4e2d\u4f7f\u7528<\/p>\n
@RestController\npublic class OrderController\n{\n\n public static final String PaymentSrv_URL = "http:\/\/localhost:8001";\n\n @Autowired\n private RestTemplate restTemplate;\n\n @GetMapping("\/consumer\/payment\/create") \/\/\u5ba2\u6237\u7aef\u7528\u6d4f\u89c8\u5668\u662fget\u8bf7\u6c42\uff0c\u4f46\u662f\u5e95\u5c42\u5b9e\u8d28\u53d1\u9001post\u8c03\u7528\u670d\u52a1\u7aef8001\n public CommonResult create(Payment payment)\n {\n return restTemplate.postForObject(PaymentSrv_URL + "\/payment\/create",payment,CommonResult.class);\n }\n\n @GetMapping("\/consumer\/payment\/get\/{id}")\n public CommonResult getPayment(@PathVariable Long id)\n {\n return restTemplate.getForObject(PaymentSrv_URL + "\/payment\/get\/"+id, CommonResult.class, id);\n }\n}<\/code><\/pre>\n\u6d4b\u8bd5<\/h2>\n
http:\/\/localhost\/consumer\/payment\/get\/1<\/a><\/p>\n\u4e0d\u8981\u5fd8\u8bb0@RequestBody\u6ce8\u89e3--\u6682\u65f6\u6ca1\u5f04\u6e05\u695a\uff0c\u4e3a\u4ec0\u4e48\u8bbf\u95ee8001\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u52a0\u4e0a\u6ce8\u89e3<\/strong><\/p>\nhttp:\/\/localhost\/consumer\/payment\/create?serial=aaaaa1<\/a><\/p>\n\u5de5\u7a0b\u91cd\u6784<\/h2>\n
\u89c2\u5bdf\u95ee\u9898\uff1a<\/p>\n
\u7cfb\u7edf\u4e2d\u6709\u91cd\u590d\u90e8\u5206\uff0c\u91cd\u6784<\/p>\n
\u5b9e\u4f53\u7c7b\u91cd\u590d\u4e86\uff0c\u540e\u671f\u5982\u679c\u6709\u591a\u4e2a\u9879\u76ee\uff0c\u5b9e\u4f53\u7c7b\u4f1a\u81a8\u80c0<\/p>\n
\u65b0\u5efa\uff1acloud-api-commons<\/p>\n
POM<\/p>\n
<parent>\n <artifactId>cloud2022<\/artifactId>\n <groupId>com.springcloud<\/groupId>\n <version>1.0-SNAPSHOT<\/version>\n <\/parent>\n <modelVersion>4.0.0<\/modelVersion>\n\n <artifactId>cloud-api-commons<\/artifactId>\n\n <dependencies>\n <dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-devtools<\/artifactId>\n <scope>runtime<\/scope>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>org.projectlombok<\/groupId>\n <artifactId>lombok<\/artifactId>\n <optional>true<\/optional>\n <\/dependency>\n <dependency>\n <groupId>cn.hutool<\/groupId>\n <artifactId>hutool-all<\/artifactId>\n <version>5.1.0<\/version>\n <\/dependency>\n <\/dependencies><\/code><\/pre>\n\u6dfb\u52a0Payment\u548cCommonResult\u5b9e\u4f53\u7c7b\uff0c\u53c2\u7167\u57288001\u670d\u52a1\u63d0\u4f9b\u8005\u6a21\u5757<\/p>\n
maven\u547d\u4ee4clean install\uff0c\u6253\u5305\u65b9\u4fbf\u5176\u5b83\u6a21\u5757\u5f15\u7528<\/p>\n
\u8ba2\u535580\u548c\u652f\u4ed88001\u5206\u522b\u6539\u9020\uff1a<\/p>\n
\u5220\u9664\u539f\u6765\u7684entity\u5305<\/p>\n
\u5f15\u5165<\/p>\n
<dependency>\n <groupId>com.springcloud<\/groupId>\n <artifactId>cloud-api-commons<\/artifactId>\n <version>${project.version}<\/version>\n<\/dependency><\/code><\/pre>\n\u81ea\u6d4b\u901a\u8fc7<\/p>\n
![\"\"](\"https:\/\/bucket-blog-img.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/04\/image-1650763045530.png\")
<\/div><\/p>\n![\"file\"](\"https:\/\/bucket-blog-img.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/04\/image-1650779589701.png\")
<\/div><\/p>\n![\"file\"](\"https:\/\/bucket-blog-img.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2022\/04\/image-1650779716705.png\")
<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"