PHP imitates WeChat multiple image preview and upload function

Production picture area, upload button#btn can replace the picture you want

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View the code piece on CODE and derive it from my code piece

<ul id="ul_pics" class="ul_pics clearfix">   
    <li><img src="logo.png" id="btn" class="img_common" /></li>   
</ul>

plupload upload

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var uploader = new plupload.Uploader({//创建实例的构造方法   
    runtimes: 'html5,flash,silverlight,html4', //上传插件初始化选用那种方式的优先级顺序   
    browse_button: 'btn', // 上传按钮   
    url: "ajax.php", //远程上传地址   
    flash_swf_url: 'plupload/Moxie.swf', //flash文件地址   
    silverlight_xap_url: 'plupload/Moxie.xap', //silverlight文件地址   
    filters: {   
        max_file_size: '10mb', //最大上传文件大小（格式100b, 10kb, 10mb, 1gb）   
        mime_types: [//允许文件上传类型   
            {title: "files", extensions: "jpg,png,gif,jpeg"}   
        ]   
    },   
    multi_selection: true, //true:ctrl多文件上传, false 单文件上传   
    init: {   
        FilesAdded: function(up, files) { //文件上传前   
            if ($("#ul_pics").children("li").length > 30) {   
                alert("您上传的图片太多了！");   
                uploader.destroy();   
            } else {   
                var li = '';   
                plupload.each(files, function(file) { //遍历文件   
                    li += "<li id=&#39;" + file[&#39;id&#39;] + "&#39;><p class=&#39;progress&#39;><span class=&#39;bar&#39;></span><span class=&#39;percent&#39;>0%</span></p></li>";   
                });   
                $("#ul_pics").prepend(li);   
                uploader.start();   
            }   
        },   
        UploadProgress: function(up, file) { //上传中，显示进度条   
            var percent = file.percent;   
            $("#" + file.id).find('.bar').css({"width": percent + "%"});   
            $("#" + file.id).find(".percent").text(percent + "%");   
        },   
        FileUploaded: function(up, file, info) { //文件上传成功的时候触发   
            var data = eval("(" + info.response + ")");//解析返回的json数据   
            $("#" + file.id).html("<input type=&#39;hidden&#39;name=&#39;pic[]&#39; value=&#39;" + data.pic + "&#39;/><input type=&#39;hidden&#39;name=&#39;pic_name[]&#39; value=&#39;" + data.name + "&#39;/><img class=&#39;img_common&#39; onclick=delPic(&#39;" + data.pic + "&#39;,&#39;" + file.id + "&#39;) src=&#39;" + data.pic + "&#39;/>");//追加图片   
        },   
        Error: function(up, err) { //上传出错的时候触发   
            alert(err.message);   
        }   
    }   
});   
uploader.init();

ajax delete uploaded image

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View the code piece on CODE derived from my code piece

function delPic(pic, file_id) { //删除图片 参数1图片路径  参数2 随机数   
    if (confirm("确定要删除吗？")) {   
        $.post("del.php", {pic: pic}, function(data) {   
            $("#" + file_id).remove()   
        })   
    }   
}

                                                 

PHP imitation WeChat multi-image preview download demo address: http://www.php.cn/
Production image area, upload button #btn can replace what you want The picture you want

[html] view plain copy
View the code piece on CODE Derived to my code piece

<ul id="ul_pics" class="ul_pics clearfix">   
    <li><img src="logo.png" id="btn" class="img_common" /></li>   
</ul>

plupload upload

[javascript] view plain copy
View the code piece derived from CODE to my code piece

var uploader = new plupload.Uploader({//创建实例的构造方法   
    runtimes: 'html5,flash,silverlight,html4', //上传插件初始化选用那种方式的优先级顺序   
    browse_button: 'btn', // 上传按钮   
    url: "ajax.php", //远程上传地址   
    flash_swf_url: 'plupload/Moxie.swf', //flash文件地址   
    silverlight_xap_url: 'plupload/Moxie.xap', //silverlight文件地址   
    filters: {   
        max_file_size: '10mb', //最大上传文件大小（格式100b, 10kb, 10mb, 1gb）   
        mime_types: [//允许文件上传类型   
            {title: "files", extensions: "jpg,png,gif,jpeg"}   
        ]   
    },   
    multi_selection: true, //true:ctrl多文件上传, false 单文件上传   
    init: {   
        FilesAdded: function(up, files) { //文件上传前   
            if ($("#ul_pics").children("li").length > 30) {   
                alert("您上传的图片太多了！");   
                uploader.destroy();   
            } else {   
                var li = '';   
                plupload.each(files, function(file) { //遍历文件   
                    li += "<li id=&#39;" + file[&#39;id&#39;] + "&#39;><p class=&#39;progress&#39;><span class=&#39;bar&#39;></span><span class=&#39;percent&#39;>0%</span></p></li>";   
                });   
                $("#ul_pics").prepend(li);   
                uploader.start();   
            }   
        },   
        UploadProgress: function(up, file) { //上传中，显示进度条   
            var percent = file.percent;   
            $("#" + file.id).find('.bar').css({"width": percent + "%"});   
            $("#" + file.id).find(".percent").text(percent + "%");   
        },   
        FileUploaded: function(up, file, info) { //文件上传成功的时候触发   
            var data = eval("(" + info.response + ")");//解析返回的json数据   
            $("#" + file.id).html("<input type=&#39;hidden&#39;name=&#39;pic[]&#39; value=&#39;" + data.pic + "&#39;/><input type=&#39;hidden&#39;name=&#39;pic_name[]&#39; value=&#39;" + data.name + "&#39;/><img class=&#39;img_common&#39; onclick=delPic(&#39;" + data.pic + "&#39;,&#39;" + file.id + "&#39;) src=&#39;" + data.pic + "&#39;/>");//追加图片   
        },   
        Error: function(up, err) { //上传出错的时候触发   
            alert(err.message);   
        }   
    }   
});   
uploader.init();

ajax delete uploaded image

[javascript] view plain copy
View the code piece derived from CODE Go to my code piece

function delPic(pic, file_id) { //删除图片 参数1图片路径  参数2 随机数   
    if (confirm("确定要删除吗？")) {   
        $.post("del.php", {pic: pic}, function(data) {   
            $("#" + file_id).remove()   
        })   
    }   
}

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