<script type="text/javascript"> function g(id){return document.getElementById(id)} var mouseOffsetX = 0; var mouseOffsetY = 0; isDraging = false; g('boxR').onmousedown = function(e){ var e =e; mouseOffsetX = e.clientX - g('boxR').offsetLeft; mouseOffsetY = e.clientY - g('boxR').offsetTop; isDraging = true; } document.onmousemove =function(e){ var e = e; var moveX = 0; var moveY = 0; if (isDraging === true) { moveX = e.clientX - mouseOffsetX; moveY = e.clientY - mouseOffsetY; g('box').style.width = moveX + 'px'; g('box').style.height = moveY + 'px'; } } document.onmouseup =function(e){ isDraging = false; } </script>
上面是js部分。
<div class="box" id="box"> <div class="boxL" id="boxL"></div> <div class="boxT" id="oxT"></div> <div class="boxR" id="boxR"></div> <div class="boxB" id="oxB"></div> <div class="boxLT" id="boxLT"></div> <div class="boxRT" id="boxRT"></div> <div class="boxLB" id="boxLB"></div> <div class="boxRB" id="boxRB"></div> </div>
上面是html部分
<style media="screen"> .box{width: 200px;height: 200px;position: absolute;left: 100px;top: 100px;border: 1px solid black;} .boxL,.boxR,.boxT,.boxB,.boxLT,.boxRT,.boxRB,.boxLB{position: absolute;} .boxL{left: 0;top:50%;width: 10px;height:10px;cursor: w-resize;background:red;} .boxT{top: 0;left:50%;width:10px;height:10px;cursor: n-resize;background:red;} .boxR{right:0;top:50%;width:10px;height:10px;cursor: e-resize;background:red;} .boxB{bottom: 0;left:50%;width:10px;height:10px;cursor: s-resize;background:red;} .boxLT{left:0;top:0;width:10px;height:10px;background:red;cursor:nw-resize;} .boxRT{width: 10px;height:10px;cursor:ne-resize;background:red;right:0;top: 0;} .boxLB{width: 10px;height:10px;cursor:sw-resize;background:red;left:0;bottom:0;} .boxRB{width: 10px;height:10px;cursor:se-resize;background:red;right:0;bottom:0;} </style>
上面是css部分,
求大神们解惑,
去看天荒地老
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