SpringMVC接收 JSONArray 自动转换为 List对象

用户类

public class User {
    private Long id;
    private String name;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override
    public String toString() {
        return "User{" +
                "id=" + id +
                ", name='" + name + '\'' +
                '}';
    }
}

UserController

@RequestMapping("/user")
@Controller
public class UserController {

    @RequestMapping("/modify")
    @ResponseBody
    public Object modify(@RequestBody List users) {
        // 业务处理
        System.out.println(users);
        return null;
    }

}

HTML


<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>title>
head>
<body>

<button class="btn btn-primary btn-lg" id="test" onclick="modifyUser()">测试button>


<script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js">script>
<script>

    var userArr = [];
    for (var i = 1; i <= 3; i++) {
        var user = {};
        user['id'] = i;
        user['name'] = 'name_' + i;
        userArr.push(user)
    }

    console.log(JSON.stringify(userArr));
    function modifyUser() {

        $.ajax({
            // headers必须添加,否则会报415错误
            headers: {
                'Accept': 'application/json',
                'Content-Type': 'application/json'
            },
            type: "post",
            data: JSON.stringify(userArr),
            url: "/user/modify",
            async: true,
            dataType: "json",
            beforeSend: function () {

            },
            success: function (result) {

            },
            error: function () {

            }
        });
    }
script>
body>
html>

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