ajax 几种提交方式

方式一：

$.ajax({
                type: 'POST',
                url: "/user/editPwd.htm",
                data: {"oldPassword":oldPassword,"newPassword":newPassword},
                success: function(data){
                    if ('success' == data){
                        alert("修改成功");
                        window.location.href="/user/index.htm";
                    } else {
                        alert('修改失败:旧密码错误');
                    }
                }
            })

java代码：

@RequestMapping(value = "/editPwd.htm", method = RequestMethod.POST)
    @ResponseBody
    public String editPwd(HttpServletRequest request, String oldPassword, String newPassword) {
        UserContext userContext = (UserContext) request.getSession().getAttribute("userContext");

        UserInfo old = userFacade.findUserById(userContext.getUserId());

        if (StringUtils.md5(oldPassword).equals(old.getPassword())) {
            old.setPassword(StringUtils.md5(newPassword));
            old.setUpdateTime(System.currentTimeMillis());

            userFacade.editUser(old);
        } else {
            return FAIL;
        }

        return SUCCESS;
    }

　　

方式二：

提交对象：

var obj = {};
$.ajax({
                url: "/user/save.htm",
                type: "post",
                dataType: "json",
                contentType: "application/json",
                data: JSON.stringify(obj),
                success: function(data){
                    if ('success' == data)
                        window.location.href="/user/login.htm";
                    else if ('exist' == data) {
                        alert(phone + '已注册');
                    } else {
                        alert('注册失败');
                    }

                }
            })

java代码：

@RequestMapping(value = "/save.htm", method = RequestMethod.POST)
    @ResponseBody
    public String add(HttpServletRequest request, @RequestBody UserInfo user) {

        // 相同手机号不能再注册
        UserInfo checkUser = userFacade.findUserInfoByPhone(user.getPhone());
        if (checkUser == null) {
            user.setUserName("u_" + DateUtils.formatDate(System.currentTimeMillis(), "yyyyMMddHHmmss") + user.getPhone().substring(7));
            userFacade.saveUser(user);
        } else {
            return "exist";
        }

        return SUCCESS;
    }

以上暂时想到了两种post。

@RequestMapping(value = "/editPwd.htm", method = RequestMethod.POST)
@ResponseBody
public String editPwd(HttpServletRequest request, String oldPassword, String newPassword) {
    UserContext userContext = (UserContext) request.getSession().getAttribute("userContext");

UserInfo old = userFacade.findUserById(userContext.getUserId());

    if (StringUtils.md5(oldPassword).equals(old.getPassword())) {
        old.setPassword(StringUtils.md5(newPassword));
old.setUpdateTime(System.currentTimeMillis());

userFacade.editUser(old);
} else {
        return FAIL;
}

    return SUCCESS;
}