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为什么null>=0是true

1

1

数据类型

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

null>=0;
true

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创建新项目时不能选择普通模板

1

1

小程序语言基础小程序界面构建

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 图片

class="cursor-pointer"> 文本

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js如何设置默认的玩家？

1

1

js随机数节点操作

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

var num=document.getElementById("num");

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vue如何发送http请求，获取接口数据

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1

vue相关

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

//公司列表请求
            successCase: function () {
                this.$http.get("/carrots-ajax/a/company/search")
                    .then((resp) => {
                        console.log(resp);
                        this.successLists = resp.data.data;
                        console.log(this.successLists);
                    })
                    .catch((resp) => {
                        console.log("请求失败");
                    })
            },

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怎么用ajax发送post请求

1

1

Ajax

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

$(document).ready(function(){
    $("button").click(function(){
        var name=$(".name").valueOf();
        var word=$(".word").valueOf();
        console.log(name);
        console.log(word);
        $.post("/carrots-admin-ajax/a/login",{
                name:name,
                word:word
            },
            function(data,status){
            console.log(status);
            var jsons=JSON.parse(data);
            console.log(jsons.message);
            if(jsons.code===0){
                window.location.href="http://www.jnshu.com/home"
            }else {
                $('#error').html(jsons.message);
            }

            });
    });
});

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浏览器控制台发出警告

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<div class="login" ng-controller="loginctrl">
  <form name="loginForm">
    <p class="houtai">后台登录</p> <br>
    <!-- 用户名图标 -->
    <span class="glyphicon glyphicon-user name" aria-hidden="true"></span>
    <!-- 用户名输入框 -->
    <input type="text" ng-model="name" class="form-control" placeholder="请输入用户名" 
    required name="uname" ng-maxlength="16" ng-minlength="4" ng-pattern="/^\w/" size="30"><br>
    <!-- 密码图标 -->
    <span class="glyphicon glyphicon-lock word" aria-hidden="true"></span>
    <!-- 密码输入框 -->
    <input type="password" ng-model="pass" class="form-control" placeholder="请输入密码" required name="upass" ng-maxlength="18" ng-minlength="6">
    <!-- 错误信息提示框 -->
    <div class="error " ng-messages="loginForm.uname.$error" id="pro">
      <div ng-message="required">用户名不能为空</div>
      <div ng-message="minlength">用户名长度至少为4</div>
      <div ng-message="maxlength">用户名长度不能超过16</div>
      <div ng-message="pattern">用户名不符合要求</div>
      <div ng-model="info" >{{info}}</div>
    </div>
    <!-- 登录按钮 -->
    <button type="submit" ng-click="subclick()">登录</button>
  </form>
</div>


app.controller("loginctrl", function ($scope, $http, $state) {
  $scope.subclick = function () {
    $http({
      method: 'post',
      url: '/carrots-admin-ajax/a/login',
      //params属性将输入框的值以键值对的形式传给服务器
      params: {
        name: $scope.name,  
        pwd: $scope.pass,
      },
      //编码格式
      headers: {
        'Content-Type': 'application/x-www-form-urlencoded'
      },
    }).then(function (xhr) {
      console.log(xhr.data);
      if (xhr.data.code === 0) {
        $state.go("dashboard");
      } else {
        $scope.info = xhr.data.message;
      }
    })
  }
})

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没有赋值变量，变量却变了

0

1

变量

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

function shuffle(arr) {
    var _arr=arr,
        r;

    for (i=0;i<arr.length;i++){
        r = ~~(Math.random() * arr.length);
        _arr[i]=arr[r];

    }
    return arr;

}
console.log(shuffle([1,2,3,4,5,6]));

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如何实现立即上线和存为草稿按钮的禁用

0

1

angular view angular model

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

<form class="art-box" name="myForm">
            <div class="art-form">
                <div class="col-md-2 col-sm-2 col-xs-2 art-left">
                    标题名称
                </div>
                <div class="col-md-8 col-sm-8 col-xs-8">
                    <input class="art-right" type="text" ng-model="title" required>
                </div>
            </div>
            <div class="art-form">
                <div class="col-md-2 col-sm-2 col-xs-2 art-left">
                    类       型
                </div>
                <div class="col-md-3 col-sm-3 col-xs-3">
                    <select class="art-right" data-ng-model="paramsType" required>
                        <option value="">请选择</option>
                        <option data-ng-repeat="(x,y) in list" value="{{x}}">{{y}}</option>
                    </select>
                </div>
                <div class="col-md-3 col-sm-3 col-xs-3">
                    <select class="art-right" data-ng-model="industryNum" data-ng-show="paramsType === '3'">
                        <option value="">请选择</option>
                        <option data-ng-repeat="(x,y) in industry1" value="{{x}}">{{y}}</option>
                    </select>
                </div>
            </div>
            <div class="art-form1">
                <div class="col-md-2 col-sm-2 col-xs-2 art-left">
                    说       明
                </div>
                <div class="col-md-8 col-sm-8 col-xs-8">
                    <div class="ueditor" ng-model="content"></div>
                </div>
            </div>
            <div class="art-form">
                <div class="col-md-2 col-sm-2 col-xs-2 art-left">
                    跳转链接
                </div>
                <div class="col-md-8 col-sm-8 col-xs-8">
                    <input class="art-right" type="text" ng-model="url" required>
                </div>
            </div>
            <div class="art-form1">
                <div class="col-md-2 col-sm-2 col-xs-2 art-left">
                    配       图
                </div>
                <div  class="col-md-10 col-sm-10 col-xs-10 art-r">
                    <div class="col-md-12 col-sm-12 col-xs-12">
                        <label for="file" class="btn btn-primary">选择文件</label>
                        <input type="file"
                               id="file"
                               accept="image/png,image/gif"
                               name="file"
                               onchange="angular.element(this).scope().fileChanged(this)"
                               style="display: none;"
                               required/>
                    </div>
                    <div class="col-md-12 col-sm-12 col-xs-12">
                        <img ng-src="{{src}}" alt="配图预览" class="art-img" width="100%"/>
                    </div>
                    <div class="col-md-8 col-sm-8 col-xs-8">
                        <table>
                            <thead>
                            <tr>
                                <th>
                                    图片名
                                </th>
                                <th>
                                    文件大小
                                </th>
                                <th>
                                    进度
                                </th>
                                <th>
                                    操作
                                </th>
                                <th>
                                    操作
                                </th>
                            </tr>
                            </thead>
                            <tbody>
                            <tr ng-if="fileName">
                                <td>{{fileName}}</td>
                                <td>{{fileSize|number:2}}MB</td>
                                <td>
                                    <div class="progress art-progress">
                                        <div style="background-color: #337ab7;border-radius: 3px;"
                                         ng-bind="progress+'%'"
                                         class="progress-bar">
                                        </div>
                                    </div>
                                </td>
                                <td>{{status}}</td>
                                <td>
                                    <button class="art-up" data-ng-click="upload()" ng-disabled="progress">上传</button>
                                    <button class="art-del" data-ng-click="delete()">删除</button>
                                </td>
                            </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
            <div class="art-form">
                <div class="col-md-2 col-sm-2 col-xs-2 art-left">
                </div>
                <div class="col-md-8 col-sm-8 col-xs-8">
                    <div class="art-footer">
                        <div class="art-ft-l">
                            <button class="art-bt" ng-click="upLine()" ng-disabled="myForm.$invalid||src == undefined">立即上线</button>
                            <button class="art-bt" ng-click="save()" ng-disabled="myForm.$invalid||src == undefined">存为草稿</button>
                        </div>
                        <button class="art-ft-r" ng-click="remove()">取消</button>
                    </div>
                </div>
            </div>
        </form>

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杀人和投票在一个页面完成

1

1

本地储存

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

footLink.onclick = function () {
  var death = getDeath();
  switch (true) {
    case death == -1:
      alert('未选定玩家');
      break;
    case page == 0 && player[death] == 0:
      // 杀人页面不能选定杀手
      alert('你是杀手不能杀死本职业，请选择其他玩家');
      break;
    case Array.isArray(playerState[death]):
      alert('当前玩家已死亡，请选择其他玩家');
      break;
    default:
      setDeath(death);
      // 跳转到法官台本 或者结束游戏
      if (liveKiller >= livePerson || liveKiller === 0) {
        window.location.href = 'result.html';
      } else {
        daynum += page == 1 ? 1 : 0;
        sessionStorage.setItem('daynum',daynum);
        window.location.href = 'everyday.html';
      }
  }
}

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如何根据月份和日期可以选出对应星座？

0

1

控制流程语句事件

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 截图

class="cursor-pointer"> 代码

// 根据出生时间戳选出星座
            getStarSign: function (time) {
                function getAstro(m,d){
                    return "魔羯水瓶双鱼白羊金牛双子巨蟹狮子处女天秤天蝎射手魔羯".substr((m+1)*2-(d<"102123444543".charAt(m)- -19)*2,2);
                }
                if(time == '' || time == undefined){
                    return '';
                } else {
                    var date = new Date(time);
                    var month = date.getMonth();
                    var day = date.getDate();
                    var starSign = getAstro(month,day);
                    return starSign;
                }
            },

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