通过微信WEUI实现图片上传,后台PHP该如何处理?
程序员文章站
2022-06-01 08:34:17
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问题:通过微信WEUI实现图片上传,后台PHP该如何处理?
1.目前遇到的问题为应用的weui图片上传框架,但代码中预览部分li获取到了类型是blob的图片。但只有一个input,通过ajax提交到php,只能获取到最后一张图片。
<p class="weui-uploader__bd"> <ul class="weui-uploader__files" id="uploaderFiles" > <li class="weui-uploader__file" style="background-image:url('/Public/Admin/images/pic_160.png')"></li> <li class="weui-uploader__file weui-uploader__file_status" style="background-image:url('/Public/Admin/images/pic_160.png')"> <p class="weui-uploader__file-content">50%</p> </li> </ul> <p class="weui-uploader__input-box"> <input id="uploaderInput" name="photo" class="weui-uploader__input" type="file" accept="image/*" /> </p> </p>
2.通过后台进行$_FILES只能获取到一个input。怎么才能获取所有的?大家用weui上传图片的时候是怎么处理的呢?
贴上图片photo不加[]的情况下,获取的到的是
加[]获取返回的是:
解决方法
//解决思路如下: 通过改写他的文件隐藏域,每次选择一个图片之后,自动隐藏当前file,然后通过js插入一个新的空文件 type=“file”,这样就可以实现多文件上传。改写代码如下: $(function(){ var tmpl = '<li id="#imgname#_li" class="weui-uploader__file" style="background-image:url(#url#)"></li>', $gallery = $("#gallery"), $galleryImg = $("#galleryImg"), $uploaderInput = $("#uploaderInput"), $uploaderFiles = $("#uploaderFiles") ; //此处的on 需要改成 live ,因为jquery插入html,js事件会失效,采用live $uploaderInput.live("change", function(e){ var src, url = window.URL || window.webkitURL || window.mozURL, files = e.target.files; for (var i = 0, len = files.length; i < len; ++i) { var file = files[i]; if (url) { src = url.createObjectURL(file); } else { src = e.target.result; } var src_split = src.split('/'); $uploaderFiles.append($(tmpl.replace('#url#', src).replace('#imgname#', src_split[src_split.length-1]))); //其中img_str 为我自己写的隐藏文本框,用来存放所有的图片名称组成的字符,类似"'名称1','名称2','名称3'",因为我用这个隐藏框的值,来删除页面页面的指定图片。 if($("#img_str").val() == '' || $("#img_str").val() == null){ $("#img_str").val("'"+src_split[src_split.length-1]+"'"); }else{ $("#img_str").val($("#img_str").val()+",'"+src_split[src_split.length-1]+"'"); } //开启隐藏上传 p $(this).after('<input id="uploaderInput" name="result_file[]" class="weui-uploader__input" type="file" accept="image/*" multiple/>'); $(this).hide(); $(this).attr({id:""+src_split[src_split.length-1]+"_input"}); } }); $uploaderFiles.on("click", "li", function(){ $galleryImg.attr("style", this.getAttribute("style")); $gallery.fadeIn(100); }); $gallery.on("click", function(){ $gallery.fadeOut(100); }); //删除图片 删除图片的代码也贴出来。 $(".weui-gallery__del").click(function(){ var imgback = $(this).parent("p").prev().attr("style"); var imgback_array= imgback.split(')'); imgback_array= imgback_array[0].split('/'); $("#"+imgback_array[imgback_array.length-1]+"_input").remove(); $("#"+imgback_array[imgback_array.length-1]+"_li").remove(); var img_str = $("#img_str").val().split(','); var img_str_new = ''; for(var i=0;i<img_str.length;i++){ if(img_str[i] != "'"+imgback_array[imgback_array.length-1]+"'"){ if(img_str_new == ''){ img_str_new = img_str[i]; }else{ img_str_new = img_str_new+","+img_str[i]; } } } $("#img_str").val(img_str_new); }); }); /** 后台获取数打印出来 如下 包含3张图片 **/ array (size=2) 'error' => array (size=0) empty 'files' => array (size=3) 0 => array (size=14) 'file_name' => string 'e2dafa6a5f06dc34004607e1f00a4824.jpg' (length=36) 'file_type' => string 'image/jpeg' (length=10) 'file_path' => string 'E:/wamp/wamp/www/test/js/fileUpload/server/upload/tsjy/' (length=64) 'full_path' => string 'E:/wamp/wamp/www/test/js/fileUpload/server/upload/tsjy/e2dafa6a5f06dc34004607e1f00a4824.jpg' (length=100) 'raw_name' => string 'e2dafa6a5f06dc34004607e1f00a4824' (length=32) 'orig_name' => string '-0.jpg' (length=6) 'client_name' => string '6880_jpg_wh300.jpg' (length=18) 'file_ext' => string '.jpg' (length=4) 'file_size' => float 93.32 'is_image' => boolean true 'image_width' => int 960 'image_height' => int 300 'image_type' => string 'jpeg' (length=4) 'image_size_str' => string 'width="960" height="300"' (length=24) 1 => array (size=14) 'file_name' => string 'ba7a0cc5930d19c6b1abfd795b3eb4d3.jpg' (length=36) 'file_type' => string 'image/jpeg' (length=10) 'file_path' => string 'E:/wamp/wamp/www/test/js/fileUpload/server/upload/tsjy/' (length=64) 'full_path' => string 'E:/wamp/wamp/www/test/js/fileUpload/server/upload/tsjy/ba7a0cc5930d19c6b1abfd795b3eb4d3.jpg' (length=100) 'raw_name' => string 'ba7a0cc5930d19c6b1abfd795b3eb4d3' (length=32) 'orig_name' => string '-1.jpg' (length=6) 'client_name' => string '4856_jpg_wh300.jpg' (length=18) 'file_ext' => string '.jpg' (length=4) 'file_size' => float 92.95 'is_image' => boolean true 'image_width' => int 1190 'image_height' => int 300 'image_type' => string 'jpeg' (length=4) 'image_size_str' => string 'width="1190" height="300"' (length=25) 2 => array (size=14) 'file_name' => string 'fc0e75063c34f102a3a67fd17aa54a18.jpg' (length=36) 'file_type' => string 'image/jpeg' (length=10) 'file_path' => string 'E:/wamp/wamp/www/test/js/fileUpload/server/upload/tsjy/' (length=64) 'full_path' => string 'E:/wamp/wamp/www/test/js/fileUpload/server/upload/tsjy/fc0e75063c34f102a3a67fd17aa54a18.jpg' (length=100) 'raw_name' => string 'fc0e75063c34f102a3a67fd17aa54a18' (length=32) 'orig_name' => string '-2.jpg' (length=6) 'client_name' => string '4873_jpg_wh300.jpg' (length=18) 'file_ext' => string '.jpg' (length=4) 'file_size' => float 214.92 'is_image' => boolean true 'image_width' => int 1152 'image_height' => int 300 'image_type' => string 'jpeg' (length=4) 'image_size_str' => string 'width="1152" height="300"' (length=25)
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