SSM项目的纯注解方法搭建

 
    
    
      junit
      junit
      4.11
      test
    
    
    
    
      org.mybatis
      mybatis-spring
      1.3.2
    
    
    
      org.springframework
      spring-jdbc
      5.2.9.RELEASE
    
    
    
      org.springframework
      spring-context
      5.2.9.RELEASE
    
    
    
      org.springframework
      spring-webmvc
      5.2.9.RELEASE
    
    
    
    
      javax.servlet
      javax.servlet-api
      3.1.0
      provided
    
    
    
    
      org.mybatis
      mybatis
      3.5.5
    
    
    
      log4j
      log4j
      1.2.17
    
    
    
      org.mybatis.generator
      mybatis-generator-core
      1.3.7
    
    
    
      mysql
      mysql-connector-java
      5.1.37
    
    
    
      com.alibaba
      druid
      1.2.6
    
    
    
      com.alibaba
      fastjson
      1.2.47
    
    
      org.projectlombok
      lombok
      1.18.10
      provided
    
  

  
    
      
        src/main/java
        
          **
public class Result {
    private int code;
    private String msg;
    private Object data;

    public int getCode() {
        return code;
    }

    public void setCode(int code) {
        this.code = code;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public Object getData() {
        return data;
    }

    public void setData(Object data) {
        this.data = data;
    }
}

User.java

package com.ssm.entity;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class User {
    private int id;
    private String name;
}

UserController.java

package com.ssm.controller;

import com.ssm.constart.Result;
import com.ssm.entity.User;
import com.ssm.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;

    @RequestMapping(value = "all",produces = "application/json;charset=utf-8")
    public Result findAll() {
        Result result = new Result();
        List userList = userService.findAll();
        result.setCode(1);
        result.setMsg("查询成功");
        result.setData(userList);
        return result;
    }
}

UserService.java

package com.ssm.service;

import com.ssm.dao.UserDao;
import com.ssm.entity.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class UserService {
    @Autowired
    private UserDao userDao;
    public List findAll() {
        return userDao.findAll();
    }
}

UserDao.java

package com.ssm.dao;

import com.ssm.entity.User;

import java.util.List;

public interface UserDao {
    List findAll();
}

UserDao.xml

    
        select * from user
    

• 测试结果