时间:2021-07-01 10:21:17 帮助过:18人阅读
- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html xmlns="http://www.w3.org/1999/xhtml">
- <head>
- <meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
- <link rel="stylesheet" type="text/css" href="css/imgareaselect-default.css" />
- <script type="text/javascript" src="scripts/jquery.min.js"></script>
- <script type="text/javascript" src="scripts/jquery.imgareaselect.pack.js"></script>
- <script type="text/javascript">
- function preview(img, selection) {
- $('#selectbanner').data('x',selection.x1);
- $('#selectbanner').data('y',selection.y1);
- $('#selectbanner').data('w',selection.width);
- $('#selectbanner').data('h',selection.height);
- var scaleX = 100 / (selection.width || 1);
- var scaleY = 100 / (selection.height || 1);
- $('#ferret > img').css({
- width: Math.round(scaleX * 512) + 'px',//512、390是你上传图片的宽高
- height: Math.round(scaleY * 390) + 'px',
- marginLeft: '-' + Math.round(scaleX * selection.x1) + 'px',
- marginTop: '-' + Math.round(scaleY * selection.y1) + 'px'
- });
- }
- //这里通过jQuery语法在原来图片后插入预览的小图片
- $(document).ready(function () {
- $('<div id="ferret"><img src="upload_pic/resized_pic.jpg" style="position: relative;" /><div>').css({
- float: 'left',
- position: 'relative',
- overflow: 'hidden',
- width: '100px',
- height: '100px'
- })
- .insertAfter($('#selectbanner'));
- $('#selectbanner').imgAreaSelect({
- selectionColor: 'blue', x1:0, y1:0, x2: 100,//初始位置
- maxWidth:500,y2:100,
- aspectRatio: '1:1',//缩放比例
- selectionOpacity: 0.2 ,
- onSelectEnd: preview //裁剪后执行的函数,在上面
- });
- //确认裁剪
- $("#sliceButton").click(function() {
- var pic = $('#selectbanner').attr('src');
- // alert(pic);
- var x,y,w,h;
- $.post(
- "cat.php", //(2)将附上这个页面的代码
- {
- x:$('#selectbanner').data('x'),
- y:$('#selectbanner').data('y'),
- w:$('#selectbanner').data('w'),
- h:$('#selectbanner').data('h'),
- pic:pic
- },
- function(data){
- // alert(data);
- //把裁剪后图片加载到#sure
- if(data){
- $('#sure').attr('src',data);
- }
- }
- );
- });
- })
- </script>
- <title>图片裁剪、预览</title>
- </head>
- <body>
- <?php
- //上传图片后,把图片复制到upload文件夹下面
- if($_POST){
- $photo = $_FILES['img']['name'];
- $tmp_addr = $_FILES['img']['tmp_name'];
- $path = 'upload/';
- $type=array("jpg","gif","jpeg","png");
- $tool = substr(strrchr($photo,'.'),1);
- if(!in_array(strtolower($tool),$type)){
- $text=implode('.',$type);
- echo "您只能上传以下类型文件: ",$text,"<br>";
- }else{
- $filename = explode(".",$photo); //把上传的文件名以"."好为准做一个数组。
- $time = date("m-d-H-i-s"); //取当前上传的时间
- $filename[0] = $time; //取文件名
- $name = implode(".",$filename); //上传后的文件名
- $uploadfile = $path.$name;
- $_SESSION['upfile'] = $uploadfile;//上传后的文件名地址
- move_uploaded_file($tmp_addr,$uploadfile);
- }
- // echo $uploadfile;
- }
- ?>
- <div id="s">
- <!--上传图片-->
- <form action="" method="post" enctype="multipart/form-data">
- <input type="file" id="img" name="img" value="" onclick=""/>
- <input name="submit" id="submit" type="submit" value="提交" class="submit"/>
- </form>
- <!--显示图片-->
- <? if(isset($_SESSION['upfile'])){?>
- <img id="selectbanner" name="selectbanner" src="<? echo $_SESSION['upfile'];?>" title="mypic"/>
- <? }?>
- </div>
- <!--确认裁剪-->
- <div><input type="submit" id="sliceButton" name="sliceButton" value="sliceButton"></div>
- <!--显示裁剪后的图片-->
- < div><img id="sure" src="" style="cursor:hand" /></div>
- </body>
- </html>
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