MVC-Controller示例

代码包结构

cn.bitgeek.springboot.jdbc
├── rest      // rest包专门放置Controller接口
├──── ClassController.java
├── service   // service包专门放置Service服务类
├──── ClassService.java
├── dto       // dto包放传输对象
├──── ClassDTO.java
├── entity     // entity包放实体类对象
├──── ClassEntity.java
├── mapper    // mapper包专门放置和数据库交互的接口类
├──── ClassMapper.java
├──── ClassMapper.xml
└── JdbcApplication.java  // 服务启动类入口

---

Controller代码示例

package cn.bitgeek.springboot.jdbc.rest;

import cn.bitgeek.springboot.jdbc.dto.ClassDTO;
import cn.bitgeek.springboot.jdbc.entity.Class1;
import cn.bitgeek.springboot.jdbc.service.ClassService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestController
@Api(tags = "新闻信息录入系统接口")
@RequestMapping(value = "/news")
public class ClassController {

    /**
     * 注入ClassService类
     */
    @Autowired
    private ClassService classService;

    /**
     * <pre>创建用户</pre>
     * @author      bitgeek
     * @date        2022/6/26 14:51
     * @exception
     * @return
     * @param     dto
     *
     */
    @ApiOperation(value = "创建课程/insert")
    @PostMapping("/insert")
    public HashMap<String, Object> create(@RequestBody ClassDTO dto){
        return classService.insert(dto);
    }

    /**
     * <pre>删除</pre>
     * @author      bitgeek
     * @date        2022/6/26 14:54
     * @exception
     * @return
     * @param       id
     *
     */
    @ApiOperation(value = "删除课程/delete")
    @DeleteMapping("/delete/{id}")
    public HashMap<String, Object> delete(@PathVariable Integer id){
        log.error("123");
        return classService.delete(id);
    }

    /**
     * <pre>修改课程</pre>
     * @author      bitgeek
     * @date        2022/6/26 14:55
     * @exception
     * @return
     * @param       id,dto
     *
     */
    @ApiOperation(value = "修改课程/update")
    @PutMapping("/update/{id}")
    public HashMap<String, Object> update(@PathVariable String id,@RequestBody ClassDTO dto){
        dto.setId(Long.parseLong(id));
        return classService.update(dto);
    }

    /**
     * <pre>根据id查询</pre>
     * @author      bitgeek
     * @date        2022/6/26 15:02
     * @exception
     * @return
     * @param       id
     *
     */
    @ApiOperation(value = "查询/byid")
    @PostMapping("/load/{id}")
    public HashMap<String, Object> selectOne(@PathVariable Long id) {
        return classService.load(id);
    }

    /**
     * <pre>分页</pre>
     * @author      bitgeek
     * @date        2022/6/26 15:03
     * @exception
     * @return
     * @param       start,limit,traverler
     *
     */
    @ApiOperation(value = "分页")
    @PostMapping("/page/{start}/{limit}")
    public Map<String, Object> pageList(@PathVariable int start, @PathVariable int limit, @RequestBody Class1 class1) {
        return classService.pageList(start, limit, class1);
    }

}