6.2、@RequestBody

HTML：

<form th:action="@{/testRequestBody}" method="post">
    用户名：<input type="text" name="username"><br>
    密码：<input type="password" name="password"><br> 
    <input type="submit"> 
</form>

Controller：

@RequestMapping("/testRequestBody") 
public String testRequestBody(@RequestBody String requestBody){ 
    System.out.println("requestBody:"+requestBody);
    return "success"; 
}

输出结果：

requestBody:username=admin&password=123456