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本文出自【赵彦军的博客】

用户模型类

package com.yiba.wifi.news.bean.domain;

import javax.persistence.Entity;

import javax.persistence.GeneratedValue;

import javax.persistence.Id;

@Entity

public class User {

    @Id

    @GeneratedValue

    Integer id;

    String name;

    Integer age ;

    //....set 省略

    //....get 省略

}

Get 请求

1、无参

请求api

http://localhost:8083/api/find

接口设计

package com.yiba.wifi.news.controller;

import com.yiba.wifi.news.bean.domain.User;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.web.bind.annotation.*;

@RestController

@RequestMapping("api")

public class UserController {

    Logger logger = LoggerFactory.getLogger(this.getClass());

    /**

     * 查询 id 数据

     * @return

     */

    @GetMapping("find")

    public User findOne() {

        //查询用户逻辑.....

        return new User();

    }

}

2、带参数

请求api

http://localhost:8083/api/find?name=zhaoyanjun

接口设计

package com.yiba.wifi.news.controller;

import com.yiba.wifi.news.bean.domain.User;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.web.bind.annotation.*;

@RestController

@RequestMapping("api")

public class UserController {

    Logger logger = LoggerFactory.getLogger(this.getClass());

    /**

     * 查询 id 数据

     * 当 name 为 null 的时候，用默认值 yanjun 代替

     * @return

     */

    @GetMapping("find")

    public User findOne(@RequestParam(value = "name", defaultValue = "yanjun") String name) {

        //查询用户逻辑.....

        logger.info("name:" + name);

        return new User();

    }

}

3、RESTful API

请求api

http://localhost:8083/api/find/5

接口设计

package com.yiba.wifi.news.controller;

import com.yiba.wifi.news.bean.domain.User;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.web.bind.annotation.*;

@RestController

@RequestMapping("api")

public class UserController {

    Logger logger = LoggerFactory.getLogger(this.getClass());

    /**

     * 查询 id 数据

     *

     * @param id

     * @return

     */

    @GetMapping("find/{id}")

    public User findOne(@PathVariable("id") Integer id) {

        logger.info("id:" + id);

        //查询用户逻辑.....

        return new User();

    }

}

POST 请求

1、表单请求

1、 请求api 方式一

http://localhost:8083/api/find?name=zhaoyanjun

实例图：

2、 请求api 方式二：表单

http://localhost:8083/api/find

实例图：

接口设计

package com.yiba.wifi.news.controller;

import com.yiba.wifi.news.bean.domain.User;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.web.bind.annotation.*;

@RestController

@RequestMapping("api")

public class UserController {

    Logger logger = LoggerFactory.getLogger(this.getClass());

    /**

     * 查询 id 数据

     *

     * @return

     */

    @PostMapping("find")

    public User findOne(@RequestParam(value = "name", defaultValue = "yanjun",required = false) String name) {

        //查询用户逻辑.....

        logger.info("name:" + name);

        return new User();

    }

}

2、参数为对象

请求api

http://localhost:8083/api/find

请求 body

{

    "id": 1,

    "name": "yanjun",

    "age": 18

}

接口设计

package com.yiba.wifi.news.controller;

import com.yiba.wifi.news.bean.domain.User;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.web.bind.annotation.*;

@RestController

@RequestMapping("api")

public class UserController {

    Logger logger = LoggerFactory.getLogger(this.getClass());

    /**

     * 查询 id 数据

     *

     * @return

     */

    @PostMapping("find")

    public User findOne(@RequestBody User user) {

        //查询用户逻辑.....

        logger.info("name:" + user.getName());

        return user;

    }

}

请求示例：

请求 header 获取

获取单个 header

接口设计

package com.yiba.wifi.news.controller;

import com.yiba.wifi.news.bean.domain.User;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.web.bind.annotation.*;

@RestController

@RequestMapping("api")

public class UserController {

    Logger logger = LoggerFactory.getLogger(this.getClass());

    /**

     *

     * @param user

     * @param token 获取 header 里面的 token 字段

     * @return

     */

    @PostMapping("find")

    public User findOne(@RequestBody User user,

                        @RequestHeader(value = "token") String token) {

        //查询用户逻辑.....

        logger.info("token:" + token);

        return user;

    }

}

请求示例

2、获取所有 header

接口设计

package com.yiba.wifi.news.controller;

import com.yiba.wifi.news.bean.domain.User;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.http.HttpHeaders;

import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

@RestController

@RequestMapping("api")

public class UserController {

    Logger logger = LoggerFactory.getLogger(this.getClass());

    @Autowired

    private HttpServletRequest request;

    @PostMapping("find")

    public User findOne(@RequestBody User user) {

        logger.info("CONTENT_TYPE:" + request.getHeader(HttpHeaders.CONTENT_TYPE));  //获取header

        logger.info("TOKEN:" + request.getHeader("token")); //获取header

        return user;

    }

}

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