spring boot 学习笔记(2)--@PathVariable @RequestParam @GetMapping @PostMapping
2017-11-06 11:43
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1、 - @RestController = @Controller+@ResponseBody
2、 Controller 中url 各个参数使用
@PathVariable —–获取url中的数据@RequestParam —-获取请求参数的值
@GetMapping,@POSTMapping ——组合注解
@RequestParam用法
@PathVariable用法
(1)(2)
@GetMapping,@POSTMapping –组合注解
@GetMapping=@RequestMapping(method = RequestMethod.GET)的缩写,是一个组合注解
@PostMapping=@RequestMapping(method = RequestMethod.POST)的缩写,是一个组合注解**
Spring4.3中引进了{@GetMapping、@PostMapping、@PutMapping、@DeleteMapping、@PatchMapping},来帮助简化常用的HTTP方法的映射,并更好地表达被注解方法的语义。
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