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/** @ Name : Kingwell Javascript Library @ Author :kingwell @ Date : 2012-8-22 @ Email : jinhua.leng##gmail.com @ Version : 1.2 @ Update : http://kingwell-leng.iteye.com/blog/1570768 功能: 1: $ID选择 2: 事件绑定,事件移除,获取事件目标 3: 阻止冒泡,阻止默认事件 4: 显示隐藏 5: 去除HTML 6: 去除首尾空格 7: 获取URL参数 8: Cookie操作,设置,删除,获取 9: 清除所有Cookie 10:表格排序 11: 动态转入Javascript 12: 封装Ajax 13:将HTML编码 调用方法: KW.x(); */ (function () { if (!window.KW) { window.KW = {}; }; window.KW = { version : "1.2", $ : function () { //$()函数 var elements = new Array(); for (var i = 0; i <= arguments.length; i++) { var element = arguments[i]; //如果是一个字符串那假设它是一个ID if (typeof element == 'string') { element = document.getElementById(element); } //如果只提供了一个参数,则立即返回这个参数 if (arguments.length == 1) { return element; } //否则,将它添加到数组中 elements.push(element); } return elements; }, /*-------------------- 事件处理 --------------------*/ addEvent : function (oTarget, oType, fnHandler) { //-----添加事件; var oT = typeof oTarget == "string" ? this.$(oTarget) : oTarget; if (!oT) { alert('Not found \" ' + oTarget + ' \"'); return false }; if (oT.addEventListener) { //for DOM oT.addEventListener(oType, fnHandler, false); } else if (oT.attachEvent) { //for IE oT.attachEvent('on' + oType, fnHandler); } else { //for Others oT['on' + oType] = fnHandler; } }, removeEvent : function (oTarget, oType, fnHandler) { //-----移除事件; var oT = this.$(oTarget); if (!oT) { alert('Not found \" ' + oTarget + ' \"'); return false }; if (oT.removeEventListener) { //for DOM oT.removeEventListener(oType, fnHandler, false); } else if (oT.detachEvent) { //for IE oT.detachEvent('on' + oType, fnHandler); } else { //for Others oT['on' + oType] = null; } }, getEvent : function (ev) { //-----获得事件----- return ev || window.event; }, getTarget : function (ev) { //-----获取目标---- return this.getEvent(ev).target || this.getEvent().srcElement; }, stopPropagation : function () { //-----阻止冒泡----- if (window.event) { return this.getEvent().cancelBubble = true; } else { return arguments.callee.caller.arguments[0].stopPropagation(); } }, stopDefault : function () { //-----阻止默认行为 if (window.event) { return this.getEvent().returnValue = false; } else { return arguments.callee.caller.arguments[0].preventDefault(); } }, /*-------------------- 常用函数 --------------------*/ toggleDisplay : function (id) { //-----显示,隐藏----- var oTarget = this.$(id); if (!oTarget) { return false; } oTarget.style.display == 'none' ? oTarget.style.display = 'block' : oTarget.style.display = 'none'; }, stripHTML : function (agr) { //-----移除HTML----- var reTag = /<(?:.|\s)*?>/g; return agr.replace(reTag, '') }, stripSpace : function (oTarget) { //-----移除空格----- var re = /^\s*(.*?)\s*$/; return oTarget.replace(re, '$1'); }, isEmail : function (e) { //-----Is E-mail var re = /^[a-zA-z_][a-zA-Z_0-9]*?@\w{1,}.\[a-zA-Z]{1,}/; return re.test(e); }, /*-------------------- Cookie操作 --------------------*/ setCookie : function (sName, sValue, oExpires, sPath, sDomain, bSecure) { //-----设置Cookie----- var sCookie = sName + '=' + encodeURIComponent(sValue); if (oExpires) { var date = new Date(); date.setTime(date.getTime() + oExpires * 60 * 60 * 1000); sCookie += '; expires=' + date.toUTCString(); } if (sPath) { sCookie += '; path=' + sPath; } if (sDomain) { sCookie += '; domain=' + sDomain; } if (bSecure) { sCookie += '; secure'; } document.cookie = sCookie; }, getCookie : function (sName) { //-----获得Cookie值----- var sRE = '(?:; )?' + sName + '=([^;]*)'; var oRE = new RegExp(sRE); if (oRE.test(document.cookie)) { return decodeURIComponent(RegExp['$1']); } else { return null; } }, deleteCookie : function (sName, sPath, sDomain) { //-----删除Cookie值----- this.setCookie(sName, '', new Date(0), sPath, sDomain); }, clearCookie : function () { //清除所有Cookie var cookies = document.cookie.split(";"); var len = cookies.length; for (var i = 0; i < len; i++) { var cookie = cookies[i]; var eqPos = cookie.indexOf("="); var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie; name = name.replace(/^\s*|\s*$/, ""); document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/" } }, convert : function (sValue, sDataType) { //类型转,根据不同类型数据排序,比如,整型,日期,浮点,字符串,接受两个参数,一个是值,一个是排序的数据类型 switch (sDataType) { case "int": return parseInt(sValue); case "float": return parseFloat(sValue); case "date": return new Date(Date.parse(sValue)); default: return sValue.toString(); } }, geterateCompareTRs : function (iCol, sDataType) { //比较函数,用于sort排序用 return function compareTRs(oTR1, oTR2) { var vValue1, vValue2; if (oTR1.cells[iCol].getAttribute("value")) { //用于高级排序,比如图片,添加一个额外的属性来排序 vValue1 = KW.convert(oTR1.cells[iCol].getAttribute("value"), sDataType); vValue2 = KW.convert(oTR2.cells[iCol].getAttribute("value"), sDataType); } else { vValue1 = KW.convert(oTR1.cells[iCol].firstChild.nodeValue, sDataType); vValue2 = KW.convert(oTR2.cells[iCol].firstChild.nodeValue, sDataType); } if (vValue1 < vValue2) { return -1; } else if (vValue1 > vValue2) { return 1; } else { return 0; } } }, tabSort : function (sTableID, iCol, sDataType) { //排序函数,sTableID为目标,iCol哪列排序,为必需,sDataType可选 var oTable = document.getElementById(sTableID); var oTBody = oTable.tBodies[0]; var colDataRows = oTBody.rows; var aTRs = []; var len = colDataRows.length; for (var i = 0; i < len; i++) { aTRs[i] = colDataRows[i]; }; if (oTable.sortCol == iCol) { //如果已经排序,则倒序 aTRs.reverse(); } else { aTRs.sort(this.geterateCompareTRs(iCol, sDataType)); } var oFragment = document.createDocumentFragment(); var trlen = aTRs.length; for (var j = 0; j < trlen; j++) { oFragment.appendChild(aTRs[j]); }; oTBody.appendChild(oFragment); oTable.sortCol = iCol; //设置一个状态 }, GetQueryString : function (name) { var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); var r = window.location.search.substr(1).match(reg); if (r != null) return unescape(r[2]); return null; }, HTMLEscape : function (str) { var s = ""; if (str.length == 0) { return ""; } s = str.replace(/&/g, "&"); s = s.replace(//g, ">"); s = s.replace(/ /g, " "); s = s.replace(/\'/g, "'"); s = s.replace(/\"/g, """); return s; }, loadJS : function (url) { var statu = true; //初始状态 var js = document.getElementsByTagName("script"); var len = js.length; for (var i = 0; i < len; i++) { if (js[i].getAttribute("src") == url) { statu = false; //如果已经添加,则设置为Flase,不再添加 } } if (statu) { var script = document.createElement("script"); script.type = "text/javascript"; script.src = url; var header = document.getElementsByTagName("head")[0]; header.appendChild(script); } }, ajax : function (obj) { if (!obj.url) { return false; }; var method = obj.type || "GET"; var async = obj.async || true; var dataType = obj.dataType; var XHR = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP"); XHR.open(method, obj.url, async); XHR.setRequestHeader('If-Modified-Since', 'Thu, 06 Apr 2006 00:00: 00 GMT'); XHR.send(null); if (obj.sendBefore) { obj.sendBefore(); }; XHR.onreadystatechange = function () { if (XHR.readyState == 4 && (XHR.status >= 200 && XHR.status < 300 || XHR.status == 304)) { if (obj.success) { if (dataType && dataType.toLocaleLowerCase() === "json") { obj.success(eval("(" + XHR.responseText + ")")) } else if (dataType && dataType.toLocaleLowerCase() === "xml") { obj.success(XHR.responseXML) } else { obj.success(XHR.responseText); } }; if (obj.complete) { obj.complete() } } else { if (obj.complete) { obj.complete() } if (obj.error) { obj.error("The XMLHttpRequest failed. status: " + XHR.status); } } } } }; })(); 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296
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