@PostMapping

服务层方法：插入记录

1public Player addPlayer(Player p) {
2    // 调用仓库方法，将玩家对象添加到玩家表中
3}

JpaRepository 的 save() 方法

1public Player addPlayer(Player p) {
2    return repo.save(p);
3}

控制器方法：插入数据行

1@PostMapping("/players")
2public Player addPlayer(Player player) {
3
4}

@PostMapping 的另一种写法

1@RequestMapping(method = RequestMethod.POST)

使用 @RequestBody 注解

1@PostMapping("/players")
2public Player addPlayer(@RequestBody Player player) {
3
4}

设置 INSERT 查询的 ID

1@PostMapping("/players")
2public Player addPlayer(@RequestBody Player player) {
3    player.setId(0);
4    return service.addPlayer(player);
5}

示例 JSON 数据（用于插入）

1{
2  "name": "费德勒",
3  "nationality": "瑞士",
4  "birthDate": "22-11-1984",
5  "titles": 151
6}

向 /players 发送数据

代码示例

1SELECT * FROM player;