前言

（MuleSoft自学分享-11.Mule基本组件）中使用了get电商商城定制开发请求通过后端接口/getEmployee获取到了全部的employee数据。这次我们要使用Post请求，请求体为员工编号，返回员工编号为"12345678"的员工数据。

{  "number": "12345678"}
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Post请求

1. 使用Sub ，Request，Transform Message和Logger四种组件进行配置，方式和（MuleSoft自学分享-11.Mule基本组件）中相同。最后将Request中Method设置为Post。
   

2. 进入employeeapi，将post:\ …中的logger替换为Flow Reference，并将Flow Name设置为employeeapi-sub中的employeeapi-post_Flow
   

3. 后端EmployeeController.java修改为

package com.example.demo.controller;import java.util.ArrayList;import org.springframework.web.bind.annotation.RequestBody;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.RestController;import com.example.demo.entity.EmployeeEntity;import com.example.demo.entity.NumberEntity;@RestControllerpublic class EmployeeController {		EmployeeEntity employeeEntity1 = new EmployeeEntity("12345678", "zhangsan", 			"20", "man", "afl", "mulesoft", "san.b.zhang@acc.com", "12345678901", "liaoning", "dalian");	EmployeeEntity employeeEntity2 = new EmployeeEntity("12345679", "lisan", 			"20", "man", "afl", "se", "san.a.li@acc.com", "12345678902", "liaoning", "shenyang");	EmployeeEntity employeeEntity3 = new EmployeeEntity("12345680", "wangwu", 			"20", "woman", "sap", "sa", "wu.a.wang@acc.com", "12345678903", "sichuan", "chengdu");	@RequestMapping(value = "/getEmployee", method = {RequestMethod.GET})	public ArrayList<EmployeeEntity> getEmployee() {		ArrayList<EmployeeEntity> employeeEntities = new ArrayList<EmployeeEntity>();		employeeEntities.add(employeeEntity1);		employeeEntities.add(employeeEntity2);		employeeEntities.add(employeeEntity3);		return employeeEntities;	}	@RequestMapping(value = "/getEmployee", method = {RequestMethod.POST})	public ArrayList<EmployeeEntity> postEmployee(@RequestBody NumberEntity Body) {		ArrayList<EmployeeEntity> employeeEntities = new ArrayList<EmployeeEntity>();		ArrayList<EmployeeEntity> employeePostEntities = new ArrayList<EmployeeEntity>();		employeeEntities.add(employeeEntity1);		employeeEntities.add(employeeEntity2);		employeeEntities.add(employeeEntity3);		for(int i = 0; i < employeeEntities.size();i++) {			if(employeeEntities.get(i).getId().equals(Body.getNumber())) {				employeePostEntities.add(employeeEntities.get(i));			}		}		return employeePostEntities;	}	}
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4. 后端增加NumberEntity.java

package com.example.demo.entity;public class NumberEntity {	String number;	public String getNumber() {		return number;	}	public void setNumber(String number) {		this.number = number;	}	}
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5. 启动前后端后用PostMan进行请求，在请求体中添加{“number”: “12345678”}，将PostMan中请求方式设置为POST。

{  "number": "12345678"}
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获得员工号为"12345678"的员工数据。