A2021-A2022年度总结(项目内容四)(二)

简介: A2021-A2022年度总结(项目内容四)
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title></title>
  </head>
  <style class="q">
    .q{
      color: #C71585;
      font-size: 67px;
    }
  </style>  
  <p class="q">字符集·</p>
    <big>
      <script type="text/javascript"  class="q"`>
      var myString ="this  ASlDFGHJK like love  sample too  no pains no gains my dreams afaith  "
      var a =myString.length;
      document.write(a+"<br>");
      alert(a);
      var b=myString.charAt(3);
      document.write(b+"<br>");
            alert(b);
      var c=myString.chaCoderAt(2);
      document.write(c+"<br>");
      var d=myString.indexOf("too");
      document.write(d+"<br>");
      var e=myString.lastIndexOf("s");
      document.write(e+"<br>");
      var f=myString.substr(1,7);
      document.write(f+"<br>");
      var g=myString.substring(2,23);
      document.write(g+"<br>");
      var h=myString.split();
      document.write(a[5]);
      document.write(a+"<br>");
      var i=myString.replace("too","soort");
      document.write(i+"<br>");
      var j=myString.toLowerCase();
      document.write(j+"<br>");
      var k=myString.toUpperCase();
      document.write(k+"<br>");
    </script>
    </big>
    <i>
      <script type="text/javascript">
      var myString ="this  ASlDFGHJK like love  sample too  no pains no gains my dreams afaith  "
      var j=myString.toLowerCase();
      document.write(j);
    </script>
    </i>
      <strike>
      <script type="text/javascript">
      var myString ="this  ASlDFGHJK like love  sample too  no pains no gains my dreams afaith  "
      var j=myString.toLowerCase();
      document.write(j);
    </script>
    </strike>
      <sub>
      <script type="text/javascript">
      var myString ="this  ASlDFGHJK like love  sample too  no pains no gains my dreams afaith  "
      var j=myString.toLowerCase();
      document.write(j);
    </script>
    </sub>
      <sup>
      <script type="text/javascript">
      var myString ="this  ASlDFGHJK like love  sample too  no pains no gains my dreams afaith  "
      var j=myString.toLowerCase();
      document.write(j);
    </script>
    </sup>
</html>
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <style type="text/css">
    .Q{
      font-size: 50PX;
    }
  </style>
  <!--
        作者:2571507538@qq.com
        时间:2021-08-09
        描述:   <p class="Q">登录界面居中如图所示</p>
    --><title>登录界面居中如图所示</title>
  <div id="login"><img src="img/bnm/cc1 (5).jpg"/></div>
  <script type="text/javascript">
        function show(){
            var w=window.innerWidth||document.documentElement.clientWidth||document.body.clientWidth;
            var h=window.innerWidth||document.documentElement.clientHeight||document.body.clientHeight;
            var login=document.getElementById('login');
            var top=(h-500)/2;
            var left=(w-350)/2;
            login.style.top+'px';
            login.style.left+'px';
            window.onload=function(){show();};
            window.onresize=function(){show();};
        }
  </script>
</head>
<body>
</body>
</html>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title></title>
  </head>
  <body>
    <div id="demo">prompt方法</div>
    <div id="demo2">计算圆</div>
    <script type="text/javascript">
      function myFuction(){
        var x;
        var person=prompt("请输入你的名字");
        if(person!=null&&person!=" "){
          x="你好呀"+person+",今天又什么感觉吗小明?";
          document.getElementById("demo").innerHTML=x;
        }
      }
      myFuction();
    </script>
  </body>
</html>
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>函数</title>
    <style>
        button{
            color: yellow;
            background-color: red;
        }
    </style>
    <script>
        function myFunction()
        {
            alert("Hello World!");
            alert("你好我的世界");
        }
    </script>
</head>
<body>
<button onclick="myFunction()">点我出现Hellow  world</button>
<p>点击这个按钮,来调用带参数的函数。</p>
<button onclick="my('Harry Potter','Wizard')">点击这个按钮,来调用带参数的函数</button>
<script>
    function my(name,job){
        alert("Welcome " + name + ", the " + job);
    }
</script>
<p>请点击其中的一个按钮,来调用带参数的函数。</p>
<button onclick="myF('Harry Potter','Wizardcctyv')">one</button>
<button onclick="myF('Bob','Builder')">two</button>
<script>
    function myF(name,job)
    {
        alert("Welcome " + name + ", the " + job);
    }
</script>
<p>本例调用的函数会执行一个计算,然后返回结果:</p>
<p id="demoasd"></p>
<script>
    function mya(a,b,c){
        return a*b/c;
    }
    document.getElementById("demoasd").innerHTML=mya(100,3,2);
   /* document.getElementById("demoasd").innerHTML=mya(100,323,2);*/
</script>
<button onclick="getElementById('de').innerHTML=Date()">现在的时间是?</button>
<button onclick="this.innerHTML=Date()">现在的时间是?</button>
<p id="de"></p>
</body>
</html>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title></title>
  </head>
  <body>
    <!--<script type="text/javascript">
    window.onload = function(){
        var speed = 20;
        var td1 = document.getElementById("td1");
        var td2 = document.getElementById("td2");
        td2.innerHTML = td1.innerHTML;
        var div1 = document.getElementById("div1");
        function goLeft(){
            if (td1.offsetWidth - div1.scrollLeft < 0) {
                div1.scrollLeft = div1.scrollLeft - td1.offsetWidth;
            }else {
                div1.scrollLeft++;
            }
        }
        setInterval(goLeft,speed);
    }
</script>-->
<script src="../js/动态橱窗.js"></script>
<div id="div1" style="overflow:hidden;width:800px;height:50px;">
        <table style="width: 800px;height: 45px;background-color: silver;">
            <tr>
                <td id="td1">
                    <table style="width: 800px;height: 45px;background-color: silver;">
                        <tr>
                            <td align="center"><font size="5px" color=blue>JS实现滚动窗口</font></td>
                        </tr>
                    </table>
                </td>
                <td id="td2"></td>
            </tr>
        </table>
    </div>
  </body>
</html>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <style type="text/css">
      .AS{
        color: #C71585;
        font-family: "微软雅黑";
        font-size: 20px;
      }
    </style>
    <script language="JavaScript">
      var msg="欢迎动态表格对象案例 ,方法无极限,快乐第一位"
      function scr()
      {
        document.title=msg;
        msg=msg.substring(1,msg.length)+msg.substring(0,2);
      }
      setInterval("scr()",500)
    </script>
    <title>
    动态表格的建立table
    </title>
    <div class="AS">
    <p class="AS">以下说明</p>
    <h1>table 表格的布局</h1>
    <h1>1:caption caption 表头信息</h1>
    <h1>2:tr tr 一个表格的行</h1>
    <h1>3:th th表格头</h1>
    <h1>4:td td 单元格</h1>
    </div>
    <table id="cj" cellpadding="0" width="100%" align="center" border="4">
      <strong><caption style="font-size: 40px; line-height: 40px;  color: deepskyblue; align=center"; >学生信息统计表</caption></strong>
      <tr>
        <th>学号:</th>
        <th>姓名:</th>
        <th>C语言:</th>
        <th>动态脚本</th>
        <th>总分为</th>
        <th>删除</th>
        <input type="button" onclick="insRow()" value="插入行" />
        <input type="button" onclick="tt()" value="修改内容" />
      </tr>
    </table>
    <script type="text/javascript">
      function insRow(){
        rs=document.getElementById('cj').insertRow(1);
        var c0=rs.insertCell(0);
        var c1=rs.insertCell(1);
        var c2=rs.insertCell(2);
        var c3=rs.insertCell(3);
        var c4=rs.insertCell(4);
        var c5=rs.insertCell(5);
        c0.innerHTML="学号为A202020981"
        c1.innerHTML="亲单元2"
        c2.innerHTML="亲单元3"
        c3.innerHTML="亲单元4"
        c4.innerHTML="亲单元5"
        c4.innerHTML="删除内容"
        ;
      }
      function tt(){
        var c=document.getElementById('cj').rows[1].cells[0];
        c.innerHTML="内容为";
        c.width="70";
        c.Style.backgroundColor="#CCC";
      }
    </script>
  </head>
  <body>
  </body>
</html>
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>图片的效果</title>
        <style>
            #box>span{
                display: inline-block;
                width: 100px;
                background: #faa;
                height: 50px;
                color:#fff;
                font-size:24px;
                text-align: center;
                line-height: 50px;
            }
            #box>span:hover{
                background: orange;
            }
            img{
                display: none;
            }
        </style>
    </head>
    <body>
        <div id="box">
            <span>图1</span>
            <span>图2</span>
            <span>图3</span>
            <span>图四</span>
            <span>图1</span>
            <span>图2</span>
            <span>图3</span>
            <span>图四</span>
        </div>
       <img src="../img/teacher%20(1).jpg">
        <img src="../img/teacher%20(11).jpg">
        <img src="../img/teacher%20(12).jpg">
        <img src="../img/teacher%20(13).jpg">
        <img src="../img/teacher%20(1).jpg">
        <img src="../img/teacher%20(11).jpg">
        <img src="../img/teacher%20(12).jpg">
        <img src="../img/teacher%20(13).jpg">
        <script type="text/javascript">
            window.onload=function(){
                //获取box的子
                var boxs=document.getElementById('box').children;
                for(var i=0;i<boxs.length;i++){
                    boxs[i].onclick=function(){
                        var k=i;
                        return function(){
                            var imgobj=document.getElementsByTagName('img');
                            //把所有的图片隐藏
                            for(var j=0;j<imgobj.length;j++){
                                imgobj[j].style.display='none';
                            }
                            //显示当前点击的图片
                            imgobj[k].style.display='block';
                        };    
                    }();
                }
            }
        </script>
    </body>
</html>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title> 圆的面积</title>
    <style type="text/css">
      *{
        font-size: 30px;
        font-weight: bolder;
      }
    </style>
  </head>
  <body>
    <div class="box1">
      <p class="n">圆的面积与周长</p>
      <label for="redius">圆的r</label>
      <input type="text"  id="redius"/>
    </div>
    <div class="box2">
      <label for="perimeter">圆的周长</label>
      <input type="text"  id="perimeter"/>
    </div>
    <div class="box3">
      <table>
      <label for="area">圆的面积</label>
      <input type="text"  id="area"/>
      </table>
    </div>
    <script>
      let radius =document.getElementById("redius"),
        perimeter=document.getElementById("perimeter"),
        area=document.getElementById("area");
      radius.oninput=function(){
        let r=radius.value;
        let res_perimeter=Math.PI*2*r;
        let res_area=Math.PI*Math.pow(r,2);
        if(r=='0'){
          perimeter.value='0';
          area.value='0';
        }else{
          perimeter.value=res_perimeter.toString().substr(0,4).concat('0');
          area.value=res_area.toString().substr(0,4).concat('0');
        }
      }
    </script>
  </body>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title></title>
    <script language="JavaScript">
      var msg="欢迎来到字符串对象案例 ,方法无极限,快乐第一位"
      function scr()
      {
        document.title=msg;
        msg=msg.substring(1,msg.length)+msg.substring(0,2);
      }
      setInterval("scr()",500)
    </script>
    <style type="text/css">
      .A{
        color: crimson;
        font-size: 39px;
      }
    </style>
  </head>
  <body>
    <p class="A">字符串对象案例.indeOf()</p>
    <script type="text/javascript">
    var S="programming lauguage think you";
    document.write(S.indexOf("r")+"<br />");
    document.write(S.indexOf("r",3)+"<br />");
    document.write(S.lastIndexOf("r")+"<br />");
    document.write(S.lastIndexOf("r",3)+"<br />");
    document.write(S.lastIndexOf("V")+"<br />");
    document.write(S.substring(2,6)+"<br />");
    document.write(S+"<br />");
    document.write(S.substr(1,10)+"<br />");
    document.write(S+"<br />");
    </script>
  </body>
</html>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>单机事物用function</title>
    <style type="text/css">
      .gh{
        color: darkorange;
        font-family: "微软雅黑";
        font-size: 34px;
      }
      .er{
        background:  #00BFFF;
        font-size: 40px;
        height: 300px;
        width: 450px;
      }
    </style>
  </head>
  <body>
    <input type="text" name="MyTest" value="鼠标以单机"  onclick="javascript:alert('鼠标一点机文本框!')"/><br />
    <input type="text" name="MyTest" value="鼠标以单机"  onclick="javascript:alert('鼠标点机文本框ok了吗!')"/><br />
    <input type="text" name="MyTest" value="密码是正确的吗"  onclick="javascript:alert('没错密码是对的哦哦哦!')"/><br />
    <input type="button"  name="myButton" value="亲爱的能鼠标单机鼠标" onclick="d()" class="er"/>
    <p class="gh">单机事物用function</p>
    <!--
          作者:2571507538@qq.com
          时间:2021-06-25
          描述: 这用了函数 function d(){
            alert("密码凑数");
        alert("密码器无语了")
        alert("这密码用毒吧")
        alert("能改密码吗!!!")
        alert("亲爱的,能呀!!!")
        alert("那如何去改密码呀亲爱的")
        用onclick="d()" 功能去实现的哦
        window.alert();
        弹出窗口可以多个
          }
        -->
    <script type="text/javascript">
      function d(){
        alert("请输入你的密码哦");
        alert("亲爱的你的密码不正确");
        alert("你输入的密码我无语了");
        alert("亲爱的:这密码用毒吧");
        alert("能改密码吗!!!");
        alert("亲爱的,能呀!!!");
        alert("那如何去改密码呀亲爱的");
        alert("请输入你的手机号");
        alert("获取手机短信的验证码");
        alert("come on");
        alert("请输入你的姓名");
      }
    </script>
    <!--
          作者:2571507538@qq.com
          时间:2021-06-25
          描述:console.log()
        -->
        <script   type="text/x-javascript">
          a=5;
          b=6;
          c=a+b;
          console.log(c)
        </script>
  </body>
</html>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>循环语句</title>
    <style type="text/css">
      .qw{
        color: mediumvioletred;
        font-family: "微软雅黑";
        font-size: 45px;
      }
    </style>
  </head>
  <body>
    <div class="qw"></div>
    <script type="text/javascript" class="qw">
      document.write("AA========while循化=====================","<br/>");
      var i=0;
      while (i<100){
        document.write(i);
        i++;
      }
      document.write("BB====do====while循化=======================","<br/>");
      var  i=0;
      do{
        document.write(i);
        i++;
      }while (i<1000);
      document.write("CC========for循化==============================","<br/>");
      for (var i = 0; i < 2000; i++) {
        document.write(i);
      }
      document.write("=DD=======for in遍历对象属性循化==============================","<br/>");
      obj={
        name:"bobtyuuuuuuuiijgvngngjvhjg",
        age:45,
        gender:"maile"
      };
      for(var x in obj) {
        document.write(obj[x]);
      };
      document.write("EE========for in循化==对象继承属性============================","<br/>");
      for(var key in obj){
        if(obj.hasOwnProperty(key)){
          document.write(key);
        }
      }
      document.write("=FF=======for in循化===遍历数组===========================","<br/>");
      var a=['A7','B8','C9','D5','E7','F5','G6'];
      for(var i in a){
        document.write(i,a[i],"<br>")
      }
    </script>
    <script type="text/javascript">
      try{
        tryStatements
      }catch(exception){
        //TODO handle the exception
        catchStatements
      }
    </script>
  </body>
</html>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>成绩管理</title>
<style>
  body {
  margin: 0;
  font: normal 20px "Microsoft YaHei";
  color: #0C0C0C;
  font-size: 14px;
  line-height: 20px;
}
.ui_txt{
  width: 60px;
  height: 16px;
  margin: 2px 2px 2px 5px;
  outline: 0;
  padding: 5px;
  border: 1px solid;
  border-color: #C0C0C0 #D9D9D9 #D9D9D9;
  border-radius: 2px;
  background: #FFF;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1), 0 1px 0
    rgba(255, 255, 255, 0.2);
  -webkit-transition: box-shadow, border-color .5s ease-in-out;
  -moz-transition: box-shadow, border-color .5s ease-in-out;
  -o-transition: box-shadow, border-color .5s ease-in-out;
}
  #box_top {
  height: 37px;
  line-height: 37px;
  color: #fff;
  background: #044599;
  padding-left: 20px;
}
.ui_btn {
  margin: 6px;
  width: 80px;
  height: 30px;
  vertical-align: middle;
  line-height: 30px;
  text-align: center;
  border-style: none;
  cursor: pointer;
  font-family: "Microsoft YaHei", "微软雅黑", "sans-serif";
}
.ui_btn:hover {
  width: 80px;
  height: 30px;
  vertical-align: middle;
  line-height: 30px;
  text-align: center;
  border-style: none;
  cursor: pointer;
  font-family: "Microsoft YaHei", "微软雅黑", "sans-serif";
  color: #fff;
}
  .table {
  padding: 0;
  margin: 0;
  position: relative;
  margin: 0 auto;
}
.table tr th {
  background: #044599 no-repeat;
  text-align: center;
  border: 1px solid #02397F; 
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: 14px;
  color: #fff;
  height: 37px;
  border-collapse: collapse;
}
.table  tr td {
  text-align: center;
  border-left: 1px solid #ECECEC;
  border-right: 1px solid #ECECEC;
  border-bottom: 1px solid #ECECEC;
  font-size: 15px;
  color: #909090;
  height: 37px;
}
</style>
</head>
<body> 
<script>
function Student(Id,name,english,mathe_m,c,js,data_s)
{
    this.Id=Id;
   this.name=name; 
    this.c=parseFloat(c);
   this.js= parseFloat(js);  
   this.english=parseFloat(english);
        this.mathe_m=parseFloat(mathe_m);
        this.data_s=parseFloat(data_s);
} 
Student.prototype.summation=function(){
  return this.english+this.mathe_m+this.c+this.js+this.data_s;
}    
 var students=new Array();
 var count=0;
  function getId(id){return document.getElementById(id);}
function SumShow(){
  with(form1)
  {
    if(elements[0].value==""||elements[1].value=="")
    {
      getId('info').innerHTML="******学号或姓名不能空! ****** ";//存放提示信息的div 
      return;
      }
    for(var i=2;i<7;i++){
      if(isNaN(elements[i].value)|| parseFloat(elements[i].value)>100|| parseFloat(elements[i]).value<0||elements[i].value=='')
      {getId('info').innerHTML="成绩要在0到100之间,请重新输入!"
      return;
        }
  }
  var stu=new Student(elements[0].value,elements[1].value,elements[2].value,elements[3].value,elements[4].value,elements[5].value,elements[6].value);
  //document.getElementById('info').innerHTML=stu.no+stu.name+"的总分是"+stu.summation()+"<br>";
}
for(n in students){
   if(students[n].Id==stu.Id){
    getId('info').innerHTML="学号重复!!!";
     return;
     }
   }
 addTable(stu);
   students[count]=stu;
   count++;
   getId('info').innerHTML="";
}
  function addTable(stu){ 
     colsNum=10; 
     rlen=getId("cj").rows.length;
    rs=getId("cj").insertRow(rlen);
    for(i=0;i<colsNum;i++)
    rs.insertCell(i);
    rs.cells[0].innerHTML='<input name="ic" type="checkbox" value=' +stu.Id+ ' onclick="single_check()" />';
    rs.cells[1].innerHTML=stu.Id;
    rs.cells[2].innerHTML=stu.name;
    rs.cells[3].innerHTML=stu.english;
    rs.cells[4].innerHTML=stu.mathe_m;
    rs.cells[5].innerHTML=stu.c;
    rs.cells[6].innerHTML=stu.js;
    rs.cells[7].innerHTML=stu.data_s;
    rs.cells[8].innerHTML=stu.summation();
    rs.cells[9].innerHTML="<a id="+stu.Id+" onclick='deleteScore("+stu.Id+")'>删除</a>";
   rs.onmouseover=function(){this.bgColor="#ddd";}
     rs.onmouseout=function(){this.bgColor="#fff";} 
  }
   function deleteScore(ID)
   {
    var a=getId(ID)
     var i=a.parentNode.parentNode.rowIndex;
       getId("cj").deleteRow(i);
     for(n in students) 
         if(students[n].Id==ID) 
         students.splice(n,1); 
     }
   function all_check()
   {
   var oInput=  document.getElementsByName("ic");
     for(i=0;i<oInput.length;i++)
      if(getId('all').checked==true)  //全选按钮
      oInput[i].checked=true;// alert(oInput[i].value); 
     else
      oInput[i].checked=false; 
     }
  function   single_check()
  { var oInput=  document.getElementsByName("ic");
     var j=0;
       for(i=0;i<oInput.length;i++)
          if(oInput[i].checked==true)
        j++;
    if( j==oInput.length)
     getId('all').checked=true;
    else
     getId('all').checked=false;
    }
     function removeRow(){
       var cheObj=document.getElementsByName("ic");
       //var taObj=document.getElementById("cj");
       if(confirm("确定要删除么?"))
        for(var k=0;k<cheObj.length;k++){
          var v=cheObj[k].value;
       if(cheObj[k].checked){  
        getId("cj").deleteRow(k+1); //获取表格元素,删除对应 表格 的行
        for(n in students) 
            if(students[n].Id==v) 
         students.splice(n,1); 
        k=-1;
        }
        }
    getId('all').checked=false;
     }
</script>
<div id="box_top">学生成绩管理</div>
<form name="form1">
    学号 :<input name="no" class="ui_txt">
    姓名 :<input name="name" class="ui_txt"><br />
 英语  :<input  name="efield" class="ui_txt" >
 高数 :<input id="高数" name="gs" type="text" class="ui_txt" >
   C语言:<input name="c" class="ui_txt">
    动态脚本:<input name="js" class="ui_txt">
   数据结构  :
<input name="sj"  class="ui_txt" class="ui_txt"><br />
    <input  type="button" value="显示总分" onClick="SumShow()" class="ui_btn">
    <input type="reset"  value="重置" class="ui_btn">
</form><br />
<div id="info"></div>
<table id="cj" class="table" cellspacing="0" cellpadding="0" width="100%" align="center">
<caption style=" font-size:28px;line-height: 50px; color: blue ;">学生成绩信息统计表</caption>
           <tr><th > <label><input id="all" type="checkbox"  onclick="all_check()" />全选</label></th> 
                <th>学号</th>
                <th>姓名</th>
                <th>英语</th>
        <th>高数</th> 
        <th>C语言</th> 
        <th>动态脚本</th>
        <th>数据结构</th>
                <th>总分</th>
                 <th>删除</th>
           </tr>
</table>
<input  type="button" value="删除选中" onClick="removeRow()" class="ui_btn"/>
 <script language="JavaScript">
      var msg="欢迎来到成绩管理案例噢噢噢噢案例 ,方法无极限,快乐第一位"
      function scr()
      {
        document.title=msg;
        msg=msg.substring(1,msg.length)+msg.substring(0,2);
      }
      setInterval("scr()",500)
    </script>
</body>
</html>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title></title>
  </head>
  <body>
    <script type="text/javascript">
      /*
      var uri="my test.asp? name =stalek&car=saab "
      document.write(encodeURI(uri)+"<br />")
      document.write(decodeURI(uri)+"<br />")
      */
      var a1=typeof "john";
      var a2=typeof "3.24567";
      var a3=typeof false;
      var a5=typeof {name:'join',age:67};
      var a6=typeof undefined;
      var a7=typeof null;
      alert(a1);
      alert(a2);
      alert(a3);
      alert(a5);
      alert(a6);
      alert(a7);
      document.write(a);
    </script>
  </body>
</html>
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