ecshop学习五

1. /* 如果水印的位置为0&＃xff0c;则返回原图 */if ($watermark_place &＃61;&＃61; 0 || empty($watermark)){return str_replace(ROOT_PATH, &＃39;&＃39;, str_replace(&＃39;\\&＃39;, &＃39;/&＃39;, realpath($filename)));}


例子
echo realpath("test.txt");
?>
输出&＃xff1a;
C:\Inetpub\testweb\test.txt


2. function upload_image($upload, $dir &＃61; &＃39;&＃39;, $img_name &＃61; &＃39;&＃39;){/* 没有指定目录默认为根目录images */if (empty($dir)){/* 创建当月目录 */$dir &＃61; date(&＃39;Ym&＃39;);$dir &＃61; ROOT_PATH . $this->images_dir . &＃39;/&＃39; . $dir . &＃39;/&＃39;;}else{/* 创建目录 */$dir &＃61; ROOT_PATH . $this->data_dir . &＃39;/&＃39; . $dir . &＃39;/&＃39;;if ($img_name){$img_name &＃61; $dir . $img_name; // 将图片定位到正确地址}}
}


3. /*** 返回文件后缀名&＃xff0c;如‘.php’** &＃64;access public* &＃64;param** &＃64;return string 文件后缀名*/function get_filetype($path){$pos &＃61; strrpos($path, &＃39;.&＃39;);if ($pos !&＃61;&＃61; false){return substr($path, $pos);}else{return &＃39;&＃39;;}}


4.echo&＃39;

&＃39;;print_r($_FILES[&＃39;goods_img&＃39;]);echo&＃39;

&＃39;;print_r($original_img);echo&＃39;

5.$img &＃61; $original_img; // 相册图片$pos &＃61; strpos(basename($img), &＃39;.&＃39;);$newname &＃61; dirname($img) . &＃39;/&＃39; . $image->random_filename() . substr(basename($img), $pos);


全选框
listTable.selectAll &＃61; function(obj, chk)
{if (chk &＃61;&＃61; null){chk &＃61; &＃39;checkboxes&＃39;;}var elems &＃61; obj.form.getElementsByTagName("INPUT");for (var i&＃61;0; i }


{$goods.goods_sn}


listTable.url &＃61; location.href.lastIndexOf("?") &＃61;&＃61; -1 ? location.href.substring((location.href.lastIndexOf("/")) &＃43; 1) : location.href.substring((location.href.lastIndexOf("/")) &＃43; 1, location.href.lastIndexOf("?"));
listTable.url &＃43;&＃61; "?is_ajax&＃61;1";


提示和注释
注释&＃xff1a;lastIndexOf() 方法对大小写敏感&＃xff01;
注释&＃xff1a;如果要检索的字符串值没有出现&＃xff0c;则该方法返回 -1。在本例中&＃xff0c;我们将使用 substring() 从字符串中提取一些字符&＃xff1a;

输出&＃xff1a;
lo w


listTable.edit &＃61; function(obj, act, id)
{var tag &＃61; obj.firstChild.tagName;if (typeof(tag) !&＃61; "undefined" && tag.toLowerCase() &＃61;&＃61; "input"){return;}/* 保存原始的内容 */var org &＃61; obj.innerHTML;var val &＃61; Browser.isIE ? obj.innerText : obj.textContent;/* 创建一个输入框 */var txt &＃61; document.createElement("INPUT");txt.value &＃61; (val &＃61;&＃61; &＃39;N/A&＃39;) ? &＃39;&＃39; : val;txt.style.width &＃61; (obj.offsetWidth &＃43; 12) &＃43; "px" ;/* 隐藏对象中的内容&＃xff0c;并将输入框加入到对象中 */obj.innerHTML &＃61; "";obj.appendChild(txt);txt.focus();/* 编辑区输入事件处理函数 */txt.onkeypress &＃61; function(e){var evt &＃61; Utils.fixEvent(e);var obj &＃61; Utils.srcElement(e);if (evt.keyCode &＃61;&＃61; 13){obj.blur();return false;}if (evt.keyCode &＃61;&＃61; 27){obj.parentNode.innerHTML &＃61; org;}}/* 编辑区失去焦点的处理函数 */txt.onblur &＃61; function(e){if (Utils.trim(txt.value).length > 0){res &＃61; Ajax.call(listTable.url, "act&＃61;"&＃43;act&＃43;"&val&＃61;" &＃43; encodeURIComponent(Utils.trim(txt.value)) &＃43; "&id&＃61;" &＃43;id, null, "POST", "JSON", false);if (res.message){alert(res.message);}if(res.id && (res.act &＃61;&＃61; &＃39;goods_auto&＃39; || res.act &＃61;&＃61; &＃39;article_auto&＃39;)){document.getElementById(&＃39;del&＃39;&＃43;res.id).innerHTML &＃61; ""&＃43;deleteid&＃43;"";}obj.innerHTML &＃61; (res.error &＃61;&＃61; 0) ? res.content : org;}else{obj.innerHTML &＃61; org;}}
}