JQプラグインajaxFileUploadとphp実装の画像とデータが同時にアップロードされるajaxfileuploadが文字化けするajaxfileupload ie8 ajaxfileupload ie-PHPチュートリアル-php.cn

コードの構造は次のとおりです:

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1. HTML コード。説明の必要はありません。

<span> 1</span><span><!</span><span>DOCTYPE html</span><span>></span><span> 2</span><span><</span><span>html</span><span>></span><span> 3</span><span><</span><span>head</span><span>></span><span> 4</span><span><</span><span>meta </span><span>charset</span><span>="UTF-8"</span><span>></span><span> 5</span><span><</span><span>title</span><span>></span>文件上传<span></</span><span>title</span><span>></span><span> 6</span><span><</span><span>script </span><span>src</span><span>="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"</span><span>></</span><span>script</span><span>></span><span> 7</span><span><</span><span>script </span><span>src</span><span>="uploads/ajaxFileUpload.js"</span><span> type</span><span>="text/javascript"</span><span> charset</span><span>="utf-8"</span><span>></</span><span>script</span><span>></span><span> 8</span><span><</span><span>script </span><span>type</span><span>="text/javascript"</span><span>></span><span> 9</span><span>            $(</span><span>function</span><span>(){
</span><span>10</span><span>                $(</span><span>'</span><span>#ti</span><span>'</span><span>).click(</span><span>function</span><span>(){
</span><span>11</span><span>var</span><span> data </span><span>=</span><span> { name: </span><span>'</span><span>my name</span><span>'</span><span>, description: </span><span>'</span><span>short description</span><span>'</span><span> } 
</span><span>12</span><span>                    $.ajaxFileUpload({
</span><span>13</span><span>                        url: </span><span>'</span><span>up.php</span><span>'</span><span>,
</span><span>14</span><span>                        secureuri: </span><span>false</span><span>,
</span><span>15</span><span>                        data: data,
</span><span>16</span><span>                        fileElementId: </span><span>'</span><span>upf</span><span>'</span><span>,
</span><span>17</span><span>                        dataType: </span><span>'</span><span>json</span><span>'</span><span>,
</span><span>18</span><span>                        success: </span><span>function</span><span> (data) {
</span><span>19</span><span>//</span><span> var datejson=eval(data);</span><span>20</span><span>//</span><span>console.log(data[0].path_name)</span><span>21</span><span>                         $(</span><span>'</span><span>#im</span><span>'</span><span>).append(</span><span>'</span><span><img src="</span><span>'</span><span>+</span><span>data[</span><span>0</span><span>].path_name</span><span>+</span><span>'</span><span>"></span><span>'</span><span>)    
</span><span>22</span><span>//</span><span>console.log('<img src="'+data[0].path_name+'">')</span><span>23</span><span>                        },
</span><span>24</span><span>                        error: </span><span>function</span><span> (data) {
</span><span>25</span><span>                              console.log(data)
</span><span>26</span><span>                        }
</span><span>27</span><span>                    });
</span><span>28</span><span>29</span><span>                })
</span><span>30</span><span>31</span><span>            })
</span><span>32</span><span></</span><span>script</span><span>></span><span>33</span><span></</span><span>head</span><span>></span><span>34</span><span><</span><span>body</span><span>></span><span>35</span><span><!--</span><span><form action="up.php" method="post" enctype="multipart/form-data">
</span><span>36</span><span>    </form></span><span>--></span><span>37</span><span><</span><span>input  </span><span>type</span><span>="file"</span><span> name</span><span>="upfm"</span><span> id</span><span>="upf"</span><span> value</span><span>=""</span><span>/></span><span>38</span><span><</span><span>input </span><span>id</span><span>='ti' </span><span>type</span><span>="button"</span><span> value</span><span>="提交"</span><span>/></span><span>39</span><span>40</span><span><</span><span>div </span><span>id</span><span>="im"</span><span>></span><span>41</span><span>42</span><span></</span><span>div</span><span>></span><span>43</span><span>44</span><span></</span><span>body</span><span>></span><span>45</span><span>46</span><span></</span><span>html</span><span>></span>

ログイン後にコピー

2. ajaxFileUpload プラグインに関して、JQ1.9 以降を使用している場合は、JQ が handleError メソッドをかなり早い段階で放棄したコードに 1 ～ 12 をコピーしてください。コメントはコードを非常にわかりやすく説明しています。

れぇ

3. php コード

<span>  1</span><span>jQuery.extend({
</span><span>  2</span>     handleError: <span>function</span><span>( s, xhr, status, e )         {
</span><span>  3</span><span>  4</span><span>if</span><span> ( s.error ) {
</span><span>  5</span>                     s.error.call( s.context ||<span> s, xhr, status, e );
</span><span>  6</span><span>                }
</span><span>  7</span><span>  8</span><span>  9</span><span>if</span><span> ( s.global ) {
</span><span> 10</span>                     (s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError"<span>, [xhr, s, e] );
</span><span> 11</span><span>                }
</span><span> 12</span><span>   },
</span><span> 13</span>     createUploadIframe: <span>function</span> (id, uri) {<span>//</span><span>id为当前系统时间字符串，uri是外部传入的json对象的一个参数</span><span> 14</span><span>//</span><span>create frame</span><span> 15</span><span>var</span> frameId = 'jUploadFrame' + id; <span>//</span><span>给iframe添加一个独一无二的id</span><span> 16</span><span>var</span> iframeHtml = '<iframe + frameId + '" name="' + frameId + '"'; <span>//</span><span>创建iframe元素</span><span> 17</span><span>if</span> (window.ActiveXObject) {<span>//</span><span>判断浏览器是否支持ActiveX控件</span><span> 18</span><span>if</span> (<span>typeof</span> uri == 'boolean'<span>) {
</span><span> 19</span>                 iframeHtml += ' src="' + 'javascript:false' + '"'<span>;
</span><span> 20</span>             }            <span>else</span><span>if</span> (<span>typeof</span> uri == 'string'<span>) {
</span><span> 21</span>                 iframeHtml += ' src="' + uri + '"'<span>;
</span><span> 22</span><span>            }
</span><span> 23</span><span>        }
</span><span> 24</span>         iframeHtml += ' />'<span>;
</span><span> 25</span>         jQuery(iframeHtml).appendTo(document.body); <span>//</span><span>将动态iframe追加到body中</span><span> 26</span><span>return</span> jQuery('#' + frameId).get(0); <span>//</span><span>返回iframe对象</span><span> 27</span><span>    },
</span><span> 28</span>     createUploadForm: <span>function</span> (id, fileElementId, data) {<span>//</span><span>id为当前系统时间字符串，fileElementId为页面<input type='file' />的id，data的值需要根据传入json的键来决定</span><span> 29</span><span>//</span><span>create form    </span><span> 30</span><span>var</span> formId = 'jUploadForm' + id; <span>//</span><span>给form添加一个独一无二的id</span><span> 31</span><span>var</span> fileId = 'jUploadFile' + id; <span>//</span><span>给<input type='file' />添加一个独一无二的id</span><span> 32</span><span>var</span> form = jQuery('<form  action="" method="POST" name="' + formId + '" + formId + '" enctype="multipart/form-data" ></form>'); <span>//</span><span>创建form元素</span><span> 33</span><span>if</span> (data) {<span>//</span><span>通常为false</span><span> 34</span><span>for</span> (<span>var</span> i <span>in</span><span> data) {
</span><span> 35</span>                 jQuery('<input type="hidden" name="' + i + '" value="' + data[i] + '" />').appendTo(form); <span>//</span><span>根据data的内容，创建隐藏域，这部分我还不知道是什么时候用到。估计是传入json的时候，如果默认传一些参数的话要用到。</span><span> 36</span><span>            }
</span><span> 37</span>         }        <span>var</span> oldElement = jQuery('#' + fileElementId); <span>//</span><span>得到页面中的<input type='file' />对象</span><span> 38</span><span>var</span> newElement = jQuery(oldElement).clone(); <span>//</span><span>克隆页面中的<input type='file' />对象</span><span> 39</span>         jQuery(oldElement).attr('id', fileId); <span>//</span><span>修改原对象的id</span><span> 40</span>         jQuery(oldElement).before(newElement); <span>//</span><span>在原对象前插入克隆对象</span><span> 41</span>         jQuery(oldElement).appendTo(form); <span>//</span><span>把原对象插入到动态form的结尾处</span><span> 42</span><span>//</span><span>set attributes</span><span> 43</span>         jQuery(form).css('position', 'absolute'); <span>//</span><span>给动态form添加样式，使其浮动起来，</span><span> 44</span>         jQuery(form).css('top', '-1200px'<span>);
</span><span> 45</span>         jQuery(form).css('left', '-1200px'<span>);
</span><span> 46</span>         jQuery(form).appendTo('body'); <span>//</span><span>把动态form插入到body中</span><span> 47</span><span>return</span><span> form;
</span><span> 48</span><span>    },
</span><span> 49</span>     ajaxFileUpload: <span>function</span> (s) {<span>//</span><span>这里s是个json对象，传入一些ajax的参数</span><span> 50</span><span>//</span><span> TODO introduce global settings, allowing the client to modify them for all requests, not only timeout        </span><span> 51</span>         s = jQuery.extend({}, jQuery.ajaxSettings, s); <span>//</span><span>此时的s对象是由jQuery.ajaxSettings和原s对象扩展后的对象</span><span> 52</span><span>var</span> id = <span>new</span> Date().getTime(); <span>//</span><span>取当前系统时间，目的是得到一个独一无二的数字</span><span> 53</span><span>var</span> form = jQuery.createUploadForm(id, s.fileElementId, (<span>typeof</span> (s.data) == 'undefined' ? <span>false</span> : s.data)); <span>//</span><span>创建动态form</span><span> 54</span><span>var</span> io = jQuery.createUploadIframe(id, s.secureuri); <span>//</span><span>创建动态iframe</span><span> 55</span><span>var</span> frameId = 'jUploadFrame' + id; <span>//</span><span>动态iframe的id</span><span> 56</span><span>var</span> formId = 'jUploadForm' + id; <span>//</span><span>动态form的id</span><span> 57</span><span>//</span><span> Watch for a new set of requests</span><span> 58</span><span>if</span> (s.global && !jQuery.active++) {<span>//</span><span>当jQuery开始一个ajax请求时发生</span><span> 59</span>             jQuery.event.trigger("ajaxStart"); <span>//</span><span>触发ajaxStart方法</span><span> 60</span>         }        <span>var</span> requestDone = <span>false</span>; <span>//</span><span>请求完成标志</span><span> 61</span><span>//</span><span> Create the request object</span><span> 62</span><span>var</span> xml = {};        <span>if</span><span> (s.global)
</span><span> 63</span>             jQuery.event.trigger("ajaxSend", [xml, s]); <span>//</span><span>触发ajaxSend方法</span><span> 64</span><span>//</span><span> Wait for a response to come back</span><span> 65</span><span>var</span> uploadCallback = <span>function</span> (isTimeout) {<span>//</span><span>回调函数</span><span> 66</span><span>var</span> io = document.getElementById(frameId); <span>//</span><span>得到iframe对象</span><span> 67</span><span>try</span> {                <span>if</span> (io.contentWindow) {<span>//</span><span>动态iframe所在窗口对象是否存在</span><span> 68</span>                     xml.responseText = io.contentWindow.document.body ? io.contentWindow.document.body.innerHTML : <span>null</span><span>;
</span><span> 69</span>                     xml.responseXML = io.contentWindow.document.XMLDocument ?<span> io.contentWindow.document.XMLDocument : io.contentWindow.document;
</span><span> 70</span>                 } <span>else</span><span>if</span> (io.contentDocument) {<span>//</span><span>动态iframe的文档对象是否存在</span><span> 71</span>                     xml.responseText = io.contentDocument.document.body ? io.contentDocument.document.body.innerHTML : <span>null</span><span>;
</span><span> 72</span>                     xml.responseXML = io.contentDocument.document.XMLDocument ?<span> io.contentDocument.document.XMLDocument : io.contentDocument.document;
</span><span> 73</span><span>                }
</span><span> 74</span>             } <span>catch</span><span> (e) {
</span><span> 75</span>                 jQuery.handleError(s, xml, <span>null</span><span>, e);
</span><span> 76</span>             }            <span>if</span> (xml || isTimeout == "timeout") {<span>//</span><span>xml变量被赋值或者isTimeout == "timeout"都表示请求发出，并且有响应</span><span> 77</span>                 requestDone = <span>true</span>; <span>//</span><span>请求完成</span><span> 78</span><span>var</span> status;                <span>try</span><span> {
</span><span> 79</span>                     status = isTimeout != "timeout" ? "success" : "error"; <span>//</span><span>如果不是“超时”，表示请求成功</span><span> 80</span><span>//</span><span> Make sure that the request was successful or notmodified</span><span> 81</span><span>if</span> (status != "error") {                        <span>//</span><span> process the data (runs the xml through httpData regardless of callback)</span><span> 82</span><span>var</span> data = jQuery.uploadHttpData(xml, s.dataType); <span>//</span><span>根据传送的type类型，返回json对象，此时返回的data就是后台操作后的返回结果</span><span> 83</span><span>//</span><span> If a local callback was specified, fire it and pass it the data</span><span> 84</span><span>if</span><span> (s.success)
</span><span> 85</span>                             s.success(data, status); <span>//</span><span>执行上传成功的操作</span><span> 86</span><span>//</span><span> Fire the global callback</span><span> 87</span><span>if</span><span> (s.global)
</span><span> 88</span>                             jQuery.event.trigger("ajaxSuccess"<span>, [xml, s]);
</span><span> 89</span>                     } <span>else</span><span> 90</span><span>                        jQuery.handleError(s, xml, status);
</span><span> 91</span>                 } <span>catch</span><span> (e) {
</span><span> 92</span>                     status = "error"<span>;
</span><span> 93</span><span>                    jQuery.handleError(s, xml, status, e);
</span><span> 94</span>                 }                <span>//</span><span> The request was completed</span><span> 95</span><span>if</span><span> (s.global)
</span><span> 96</span>                     jQuery.event.trigger("ajaxComplete", [xml, s]);                <span>//</span><span> Handle the global AJAX counter</span><span> 97</span><span>if</span> (s.global && ! --<span>jQuery.active)
</span><span> 98</span>                     jQuery.event.trigger("ajaxStop");                <span>//</span><span> Process result</span><span> 99</span><span>if</span><span> (s.complete)
</span><span>100</span><span>                    s.complete(xml, status);
</span><span>101</span>                 jQuery(io).unbind();<span>//</span><span>移除iframe的事件处理程序</span><span>102</span>                 setTimeout(<span>function</span> () {<span>//</span><span>设置超时时间</span><span>103</span><span>try</span><span> {
</span><span>104</span>                         jQuery(io).remove();<span>//</span><span>移除动态iframe</span><span>105</span>                         jQuery(form).remove();<span>//</span><span>移除动态form</span><span>106</span>                     } <span>catch</span><span> (e) {
</span><span>107</span>                         jQuery.handleError(s, xml, <span>null</span><span>, e);
</span><span>108</span><span>                    }
</span><span>109</span>                 }, 100<span>)
</span><span>110</span>                 xml = <span>null</span><span>111</span><span>            }
</span><span>112</span>         }        <span>//</span><span> Timeout checker</span><span>113</span><span>if</span> (s.timeout > 0) {<span>//</span><span>超时检测</span><span>114</span>             setTimeout(<span>function</span> () {                <span>//</span><span> Check to see if the request is still happening</span><span>115</span><span>if</span> (!requestDone) uploadCallback("timeout");<span>//</span><span>如果请求仍未完成，就发送超时信号</span><span>116</span><span>            }, s.timeout);
</span><span>117</span>         }        <span>try</span> {            <span>var</span> form = jQuery('#' +<span> formId);
</span><span>118</span>             jQuery(form).attr('action', s.url);<span>//</span><span>传入的ajax页面导向url</span><span>119</span>             jQuery(form).attr('method', 'POST');<span>//</span><span>设置提交表单方式</span><span>120</span>             jQuery(form).attr('target', frameId);<span>//</span><span>返回的目标iframe，就是创建的动态iframe</span><span>121</span><span>if</span> (form.encoding) {<span>//</span><span>选择编码方式</span><span>122</span>                 jQuery(form).attr('encoding', 'multipart/form-data'<span>);
</span><span>123</span>             }            <span>else</span><span> {
</span><span>124</span>                 jQuery(form).attr('enctype', 'multipart/form-data'<span>);
</span><span>125</span><span>            }
</span><span>126</span>             jQuery(form).submit();<span>//</span><span>提交form表单</span><span>127</span>         } <span>catch</span><span> (e) {
</span><span>128</span>             jQuery.handleError(s, xml, <span>null</span><span>, e);
</span><span>129</span><span>        }
</span><span>130</span>         jQuery('#' + frameId).load(uploadCallback); <span>//</span><span>ajax 请求从服务器加载数据，同时传入回调函数</span><span>131</span><span>return</span> { abort: <span>function</span><span> () { } };
</span><span>132</span><span>    },
</span><span>133</span>     uploadHttpData: <span>function</span> (r, type) {        <span>var</span> data = !<span>type;
</span><span>134</span>         data = type == "xml" || data ? r.responseXML : r.responseText;        <span>//</span><span> If the type is "script", eval it in global context</span><span>135</span><span>if</span> (type == "script"<span>)
</span><span>136</span>             jQuery.globalEval(data);        <span>//</span><span> Get the JavaScript object, if JSON is used.</span><span>137</span><span>if</span> (type == "json"<span>)
</span><span>138</span>             eval("data = " + data);        <span>//</span><span> evaluate scripts within html</span><span>139</span><span>if</span> (type == "html"<span>)
</span><span>140</span>             jQuery("<div>").html(data).evalScripts();        <span>return</span><span> data;
</span><span>141</span><span>    }
</span><span>142</span> })

ログイン後にコピー

uploadFile($path="uploads",$allowExt=array("gif","jpeg","png","jpg","wbmp"),$maxSize=2097152 ,$imgFlag=true);

この PHP コードを変更して、他のファイルやサイズ制限をアップロードすることができます。 getimagesize は、ウイルスファイルのサフィックスが変更されているかどうかを判断するために使用されます。

上記のコードを直接コピーして、画像とユーザーデータの同時アップロードを完了します。

返される結果: [{"name":"d032a4ee7e957d956c8af0039d7e3085.jpg","error":0,"filesiz":{"0":720,"1":1280,"2":2,"3": "width="720" height="1280"","bits":8,"channels":3,"mime":"image/jpeg"},"path_name":"uploads/d032a4ee7e957d956c8af0039d7e3085.jpg"}]

上記では、ajaxfileupload の内容を含め、JQ プラグインの ajaxFileUpload、画像の PHP 実装、およびデータのアップロードを同時に紹介しています。PHP チュートリアルに興味のある友人に役立つことを願っています。