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为什么返回的值没有办法写入html里面

2

1

Ajax

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

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Branch: master Find file Copy path AmenLin.github.io/Js/JS-05/js/JSDemo5.js
b8f63fa  2 days ago
@AmenLin AmenLin Add files via upload
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'use strict';


/*
//原生js方法
var value;
var uservalue;
var passvalue;
var user = document.getElementById('user');
var pass = document.getElementById('pass');
var tips = document.getElementById('tips');
var go = document.getElementById('go');
function result(){
    uservalue = user.value;
    passvalue = pass.value;
    value = "name=" + encodeURIComponent(uservalue) + "&pwd=" + encodeURIComponent(passvalue);//使用post需要设置请求体的编码格式，将字符串作为URI组件进行编码
/////////////////////////////////////////////////
    var xhr = new XMLHttpRequest();
    xhr.onreadystatechange = function(){
        if (xhr.readyState == 4){//表示XMLHttpRequest请求现在的状态是已经成功返回数据的
            if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304){
                //表示http的状态，200表示成功，304表示请求的资源并没有被修改
                console.log(xhr.responseText);
                var data = xhr.responseText;
                var thedata = JSON.parse(data);
                if (thedata.code == '0'){
                    location.href = 'JSDemo5-1.html';
                }else if (thedata.code == '-5003'){
                    tips.innerHTML = '用户不存在';
                }else if (thedata.code == '-5004'){
                    tips.innerHTML = '密码错误';
                }
            }else {
                alert('Request was unsuccessful:') + shr.status;
            }
        }
    }
    xhr.open('post', '/carrots-admin-ajax/a/login', true);
    xhr.setRequestHeader("Content-type","application/x-www-form-urlencoded");
    //在这里使用setRequestHeader()是为了像html表单那样post数据
    xhr.send(value);//使用post，括号内必须有值，哪怕是个null
}
go.onclick = result; */
//////////////////////////////////////////


//jquery ajax方法
$('#go').click(function(){
    $.ajax({
        url: '/carrots-admin-ajax/a/login',
        type: 'post',
        dataType: 'json',
        data: {
            name: $('#user').val(),
            pwd: $('#pass').val()
        },
        success: function(data){
            console.log(data);
            if (data.code == '0'){
                location.href = 'JSDemo5-1.html';
            }else if (data.code == '-5003'){
                tips.innerHTML = '此用户不存在';
            }else if (data.code == '-5004'){
                tips.innerHTML = '密码错误';
            }
        },
        error: function(data){
            alert('找不到网页');
        }
    })
})
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vue3.0创建项目在npm run serve报错

0

1

vue相关

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 图片

class="cursor-pointer"> 文本

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如何使用一个页面展示不同的信息

1

1

节点操作事件

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=0">
    <title>法官日记</title>
    <link rel="stylesheet" type="text/css" href="../css/task234-riji.css">
  </head>
  <body>      
    <!-- 页眉 -->
    <header>
      <img src="../images/11.png">
      <span>法官日记</span> 
      <img src="../images/09.png">
    </header>
    <!-- 内容主体 -->
    <main>
      <!-- 水民一号 -->
      <div id="box">
        <!-- 通过js动态输入HTML代码 -->
      </div>
    </main>
    <footer>
      <span>开始游戏</span> 
    </footer>
    <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
    <script src="http://apps.bdimg.com/libs/javascript-state-machine/2.0.0/state-machine.min.js"></script>
    <script src="../js/task234-riji.js"></script>
  </body>
</html>

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Easy Mock 如何模拟post请求？

0

1

其他插件

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

"code": 0,
  "message": "success",
  "data": {
    "avatar": "@image('200x100', '#50B347', '#FFF', '王老师')",
    "username": "王老师",
    "id": "@id",
    "role": "@cword(3)",
    "rights|5": [{
      "module": "@Boolean"
    }],
    "navbarlist|10": [{
      "index|+1": 1,
      "management": "@cword(4)",
      "show": "@Boolean",
      "subnavlist|5": [{
        "index|+1": 10,
        "management": "@cword(4)"
      }]
    }]
  }
}

该问题已被官方收录

数组随机打印出来,控制台报错

1

1

数据类型控制流程语句

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

. var arr=new Array(3);
    var arr1=new Array(3);
    for(var i=0;i<arr.length;i++) {
        var a= parseInt(Math.random()*9);
        console.log(a);
        if (i==0) {
            arr[i] = a;
        } else {
            for (var j = 0; j < i; j++) {
                if (a == arr[j]) {
                    i--
                }
                else {
                    arr[i] = a;
                }
            }
        }
    }
for (var i=0;i<arr1.length;i++){
        var a=parseInt(Nath.random()*9);
        if(i=0){
            arr1[i]=a;
        }
        else {
            for(var j=0;j<i;j++){
                if (a==arr1[j]){
                    i--
                }
                else {
                    arr1[i]=a;
                }
            }
        }
}

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关于ES6的实现JS模块化

0

1

ES6

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

//导出常量
export const sqrt = Math.sqrt;
//导出函数
export function square(x) {
    return x * x;
}
//导出函数
export function diag(x, y) {
    return sqrt(square(x) + square(y));
}

import { square, diag } from './1';
console.log(square(11)); // 121
console.log(diag(4, 3)); // 5

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如何去设计下拉框,默认有一个为空的怎么办?

0

1

angular view

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

HTML:
<div class="col-sm-3">
                <select class="">
                    <option value="">全部</option>
                    <option value="{{x}}" ng-repeat="(x,y) in productname">{{y.text}}</option>
                </select>
            </div>
JS:
angular
  .module("myApp")
  .constant("productname", [
    { value: "0", text: "新手计划" },
    { value: "1", text: "聚财一号" },
    { value: "2", text: "聚财二号" }
  ]);

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储存路由状态

0

1

angular router

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

app.config(function($stateProvider){
  $stateProvider
  $stateProvider.state(
    {
      name:'new',
      url:'/new',
      templateUrl:'js3-3.html'

    }
  ).state(
    {
      name:'list',
      url:'/list',
      templateUrl:"js3-4.html"
    }
  )
})

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IOS系统的Safari浏览器下Meta设置user-scalable=no无效

0

1

其他

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">

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关于异步，同步和回调函数

0

1

angular基础 angular model

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

.

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