随笔分类 -  js使用技巧

在静态页中通过xmlhttp方式调用动态数据 by zhouwillpower
摘要:var Http = new ActiveXObject("Microsoft.XMLHTTP");var Dom = new ActiveXObject("Microsoft.XMLDOM"); Http.open("POST",'http://localhost/ArticleInfo/BrowseCount.aspx?id=7399',false);Http.send();Dom.async=false;show=Http.responseText;document.write(show); 阅读全文

posted @ 2006-08-31 13:34 zhouwillpower 阅读(561) 评论(2) 推荐(0)

JS常用脚本 by zhouwillpower
摘要:1. oncontextmenu="window.event.returnValue=false" 将彻底屏蔽鼠标右键 no-- 可用于Table 2. 取消选取、防止复制 3. onpaste="return false" 不准粘贴 4. oncopy="return false;" oncut="return false;" 防止复制 阅读全文

posted @ 2006-08-30 16:46 zhouwillpower 阅读(351) 评论(0) 推荐(0)

js 获取随机数 by zhouwillpower
摘要:var a = 10; var pp = Math.random(); var foot = Math.round(pp * (a-1))+1; if(foot=0 && foot =8) 阅读全文

posted @ 2006-06-26 13:04 zhouwillpower 阅读(333) 评论(0) 推荐(0)

js获取页面传递参数 by zhouwillpower
摘要:function request(para) { var i; var searchString=location.search; para = para.toLowerCase(); searchString=searchString.toLowerCase(); var pos=searchString.indexOf("?"); if (pos==0) { var str,str1,arr,strpos; arr=searchString.split('&'); for (i=0;i { str = arr[i]; strpos = str.indexOf(para); if (strpos!=-1) return str.replace("?",""); } } return 阅读全文

posted @ 2006-06-26 13:02 zhouwillpower 阅读(740) 评论(0) 推荐(0)

js处理字符函数 by zhouwillpower
摘要: function CheckInput(Str, Title, Format, LengthMin, LengthMax) { //检测并初始化输入参数 if( Title == '' ) { return false; } if( Str == '' && LengthMin != 0 ) { return false; } if( Format == '' ) { Format = 'ELSE'; } else { Format = Format.toUpperCase(); } if( LengthMin == '' ) LengthMin = 0; if( LengthMax == '' ) LengthMax = 255; 阅读全文

posted @ 2006-06-24 13:44 zhouwillpower 阅读(1027) 评论(0) 推荐(0)

js 检查图像文件格式 by zhouwillpower
摘要:function IfPicType(filename,title) { var filetype; var filename; filename = Alltrim(filename); filetype = filename.substr(filename.lastIndexOf("."),filename.length-1); if(filetype.toUpperCase()!=".GIF"&&filetype.toUpperCase()!=".BMP"&&filetype.toUpperCase()!=".JPEG"&&filetype.toUpperCase()!=".JPG") { window.alert(title+"\n为不支持的上传文件格式!");return false; } return true; } 阅读全文

posted @ 2006-06-24 12:35 zhouwillpower 阅读(437) 评论(0) 推荐(0)

js检查中文字符 by zhouwillpower
摘要:function IsHanZi(strHanZi) { if(!strHanZi) return; if(strHanZi=='') return; var PatSWord=/^[\x00-\xff]+$/; //匹配所有单字节长度的字符组成的字符串 var PatDWord=/[^\x00-\xff]+/g; //匹配双字节长度的字符组成的字符串 if(!PatSWord.test(strHanZi)) return true; return false; } 阅读全文

posted @ 2006-06-24 12:33 zhouwillpower 阅读(570) 评论(0) 推荐(0)

js 操作cookies by zhouwillpower
摘要:function DecodeCookie(str) { var strArr; var strRtn=""; strArr=str.split("a"); for (var i=strArr.length-1;i=0;i--) strRtn+=String.fromCharCode(eval(strArr[i])); return strRtn; } function CheckCookies() { var cook = GetCookie("Corp"); if(cook!=null) { document.all("login1").style.display = "none"; document.all("login2").style.display = "block"; var str = GetCookie("Corp 阅读全文

posted @ 2006-06-22 11:52 zhouwillpower 阅读(256) 评论(0) 推荐(0)