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怎么用javascript含羞默默一张一合效果

本篇内容主要讲解“怎么用javascript含羞默默一张一合效果”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“怎么用javascript含羞默默一张一合效果”吧!

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首先展示“田”字效果

怎么用javascript含羞默默一张一合效果

实现思想主要分为几部分

随机生成颜色值

var getRandomColor = function(){      return  '#' +          (function(color){          return (color +=  '0123456789abcdef'[Math.floor(Math.random()*16)])              && (color.length == 6) ?  color : arguments.callee(color);      })('');  }

创建span标签,插入div中。

creSpan函数,n指当前个数,mpid指父容器div,mleft指当前span的left的值,mtop指当前span的top值

function creSpan(n,mpId,mleft,mtop){      var mSpan = document.createElement("span");        var pId = mpId[0];      pId.appendChild(mSpan);      with(mSpan.style){          left = mleft+"px";          top = mtop+"px";          background = getRandomColor();      }  }

生成“田”字

创建一个二维数组保存每个creSpan的对象。myleft=100,mtop=50 默认初始值距左距顶的距离。

画“田”字,使用双重循环生成。

var myleft = 100;  var mytop = 50;  var arr = new Array();  var test =  $("#test");  for(var j=0;j<23;j++){      arr[j] = new Array();      if(j<3){          for(var i=0;i<19;i++){              myleft+=32;              arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);          }      }      else if(j>2&&j<10){          for(var i=0;i<19;i++){              myleft+=32;              if(i<3){                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);              }              else if(i>7&&i<11){                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);              }              else if(i>15){                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);              }          }      }      else if(j>9&&j<13){          for(var i=0;i<19;i++){              myleft+=32;              arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);          }      }      else if(j>12&&j<20){          for(var i=0;i<19;i++){              myleft+=32;              if(i<3){                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);              }              else if(i>7&&i<11){                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);              }              else if(i>15){                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);              }          }      }      else{          for(var i=0;i<19;i++){              myleft+=32;              arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);          }      }      mytop+=32;      myleft=100;  }

当鼠标移动到每个span上时尖尖缩小,然后慢慢张开。

主要采用jquery中的animate函数。控制width,height,left,top的值。

$.each($("#test span"),function(k,v){      $(this).mouseover(function(){          $(this).animate({              width:"10px",              height:"10px",              left:"+="+parseInt(30-20)/2+"px",              top:"+="+parseInt(30-20)/2+"px"         },3000,function(){              $(this).animate({                  width:"30px",                  height:"30px",                  left:"-="+parseInt(30-20)/2+"px",                  top:"-="+parseInt(30-20)/2+"px"             },1000);          });      });  });

完整代码:

               含羞默默一张一合效果---田                                        *{margin:0px;padding:0px;}              #test{width:800px; height: 800px; margin: 30px auto 0px; overflow: hidden; position: relative; background-color: #F1F1F1;}              #test span{display: block; position: absolute; width: 30px; height: 30px; }                             
                      var getRandomColor = function(){                  return  '#' +                      (function(color){                      return (color +=  '0123456789abcdef'[Math.floor(Math.random()*16)])                          && (color.length == 6) ?  color : arguments.callee(color);                  })('');              }              function creSpan(n,mpId,mleft,mtop){                  var mSpan = document.createElement("span");                    var pId = mpId[0];                  pId.appendChild(mSpan);                  with(mSpan.style){                      left = mleft+"px";                      top = mtop+"px";                      background = getRandomColor();                  }              }                                $(function(){                  var myleft = 100;                  var mytop = 50;                  var arr = new Array();                  var test =  $("#test");                  for(var j=0;j<23;j++){                      arr[j] = new Array();                      if(j<3){                          for(var i=0;i<19;i++){                              myleft+=32;                              arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);                          }                      }                      else if(j>2&&j<10){                          for(var i=0;i<19;i++){                              myleft+=32;                              if(i<3){                                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);                              }                              else if(i>7&&i<11){                                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);                              }                              else if(i>15){                                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);                              }                          }                      }                      else if(j>9&&j<13){                          for(var i=0;i<19;i++){                              myleft+=32;                              arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);                          }                      }                      else if(j>12&&j<20){                          for(var i=0;i<19;i++){                              myleft+=32;                              if(i<3){                                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);                              }                              else if(i>7&&i<11){                                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);                              }                              else if(i>15){                                  arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);                              }                          }                      }                      else{                          for(var i=0;i<19;i++){                              myleft+=32;                              arr[j][i] = new creSpan((j+1)*(i+1),test,myleft,mytop);                          }                      }                      mytop+=32;                      myleft=100;                  }                                    $.each($("#test span"),function(k,v){                      $(this).mouseover(function(){                          $(this).animate({                              width:"10px",                              height:"10px",                              left:"+="+parseInt(30-20)/2+"px",                              top:"+="+parseInt(30-20)/2+"px"                          },3000,function(){                              $(this).animate({                                  width:"30px",                                  height:"30px",                                  left:"-="+parseInt(30-20)/2+"px",                                  top:"-="+parseInt(30-20)/2+"px"                              },1000);                          });                      });                  });              });                

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