ExtJs Grid导出到Excel(修正版)

/* * Ext JS Library 2.1 * Copyright(c) 2006-2008, Ext JS, LLC. * licensing@extjs.com * * http://extjs.com/license */ Ext.DomHelper=function(){var L=null;var F=/^(?:br|frame|hr|img|input|link|meta|range|spacer|wbr|area|param|col)$/i;var B=/^table|tbody|tr|td$/i;var A=function(T){if(typeof T=="string"){return T}var O="";if(Ext.isArray(T)){for(var R=0,P=T.length;R<P;R++){O+=A(T[R])}return O}if(!T.tag){T.tag="div"}O+="<"+T.tag;for(var N in T){if(N=="tag"||N=="children"||N=="cn"||N=="html"||typeof T[N]=="function"){continue}if(N=="style"){var S=T["style"];if(typeof S=="function"){S=S.call()}if(typeof S=="string"){O+=" style=\""+S+"\""}else{if(typeof S=="object"){O+=" style=\"";for(var Q in S){if(typeof S[Q]!="function"){O+=Q+":"+S[Q]+";"}}O+="\""}}}else{if(N=="cls"){O+=" class=\""+T["cls"]+"\""}else{if(N=="htmlFor"){O+=" for=\""+T["htmlFor"]+"\""}else{O+=" "+N+"=\""+T[N]+"\""}}}}if(F.test(T.tag)){O+="/>"}else{O+=">";var U=T.children||T.cn;if(U){O+=A(U)}else{if(T.html){O+=T.html}}O+="</"+T.tag+">"}return O};var M=function(T,O){var S;if(Ext.isArray(T)){S=document.createDocumentFragment();for(var R=0,P=T.length;R<P;R++){M(T[R],S)}}else{if(typeof T=="string"){S=document.createTextNode(T)}else{S=document.createElement(T.tag||"div");var Q=!!S.setAttribute;for(var N in T){if(N=="tag"||N=="children"||N=="cn"||N=="html"||N=="style"||typeof T[N]=="function"){continue}if(N=="cls"){S.className=T["cls"]}else{if(Q){S.setAttribute(N,T[N])}else{S[N]=T[N]}}}Ext.DomHelper.applyStyles(S,T.style);var U=T.children||T.cn;if(U){M(U,S)}else{if(T.html){S.innerHTML=T.html}}}}if(O){O.appendChild(S)}return S};var I=function(S,Q,P,R){L.innerHTML=[Q,P,R].join("");var N=-1,O=L;while(++N<S){O=O.firstChild}return O};var J="<table>",E="</table>",C=J+"<tbody>",K="</tbody>"+E,H=C+"<tr>",D="</tr>"+K;var G=function(N,O,Q,P){if(!L){L=document.createElement("div")}var R;var S=null;if(N=="td"){if(O=="afterbegin"||O=="beforeend"){return }if(O=="beforebegin"){S=Q;Q=Q.parentNode}else{S=Q.nextSibling;Q=Q.parentNode}R=I(4,H,P,D)}else{if(N=="tr"){if(O=="beforebegin"){S=Q;Q=Q.parentNode;R=I(3,C,P,K)}else{if(O=="afterend"){S=Q.nextSibling;Q=Q.parentNode;R=I(3,C,P,K)}else{if(O=="afterbegin"){S=Q.firstChild}R=I(4,H,P,D)}}}else{if(N=="tbody"){if(O=="beforebegin"){S=Q;Q=Q.parentNode;R=I(2,J,P,E)}else{if(O=="afterend"){S=Q.nextSibling;Q=Q.parentNode;R=I(2,J,P,E)}else{if(O=="afterbegin"){S=Q.firstChild}R=I(3,C,P,K)}}}else{if(O=="beforebegin"||O=="afterend"){return }if(O=="afterbegin"){S=Q.firstChild}R=I(2,J,P,E)}}}Q.insertBefore(R,S);return R};return{useDom:false,markup:function(N){return A(N)},applyStyles:function(P,Q){if(Q){P=Ext.fly(P);if(typeof Q=="string"){var O=/\s?([a-z\-]*)\:\s?([^;]*);?/gi;var R;while((R=O.exec(Q))!=null){P.setStyle(R[1],R[2])}}else{if(typeof Q=="object"){for(var N in Q){P.setStyle(N,Q[N])}}else{if(typeof Q=="function"){Ext.DomHelper.applyStyles(P,Q.call())}}}}},insertHtml:function(P,R,Q){P=P.toLowerCase();if(R.insertAdjacentHTML){if(B.test(R.tagName)){var O;if(O=G(R.tagName.toLowerCase(),P,R,Q)){return O}}switch(P){case"beforebegin":R.insertAdjacentHTML("BeforeBegin",Q);return R.previousSibling;case"afterbegin":R.insertAdjacentHTML("AfterBegin",Q);return R.firstChild;case"beforeend":R.insertAdjacentHTML("BeforeEnd",Q);return R.lastChild;case"afterend":R.insertAdjacentHTML("AfterEnd",Q);return R.nextSibling}throw"Illegal insertion point -> \""+P+"\""}var N=R.ownerDocument.createRange();var S;switch(P){case"beforebegin":N.setStartBefore(R);S=N.createContextualFragment(Q);R.parentNode.insertBefore(S,R);return R.previousSibling;case"afterbegin":if(R.firstChild){N.setStartBefore(R.firstChild);S=N.createContextualFragment(Q);R.insertBefore(S,R.firstChild);return R.firstChild}else{R.innerHTML=Q;return R.firstChild}case"beforeend":if(R.lastChild){N.setStartAfter(R.lastChild);S=N.createContextualFragment(Q);R.appendChild(S);return R.lastChild}else{R.innerHTML=Q;return R.lastChild}case"afterend":N.setStartAfter(R);S=N.createContextualFragment(Q);R.parentNode.insertBefore(S,R.nextSibling);return R.nextSibling}throw"Illegal insertion point -> \""+P+"\""},insertBefore:function(N,P,O){return this.doInsert(N,P,O,"beforeBegin")},insertAfter:function(N,P,O){return this.doInsert(N,P,O,"afterEnd","nextSibling")},insertFirst:function(N,P,O){return this.doInsert(N,P,O,"afterBegin","firstChild")},doInsert:function(Q,S,R,T,P){Q=Ext.getDom(Q);var O;if(this.useDom){O=M(S,null);(P==="firstChild"?Q:Q.parentNode).insertBefore(O,P?Q[P]:Q)}else{var N=A(S);O=this.insertHtml(T,Q,N)}return R?Ext.get(O,true):O},append:function(P,R,Q){P=Ext.getDom(P);var O;if(this.useDom){O=M(R,null);P.appendChild(O)}else{var N=A(R);O=this.insertHtml("beforeEnd",P,N)}return Q?Ext.get(O,true):O},overwrite:function(N,P,O){N=Ext.getDom(N);N.innerHTML=A(P);return O?Ext.get(N.firstChild,true):N.firstChild},createTemplate:function(O){var N=A(O);return new Ext.Template(N)}}}(); Ext.Template=function(E){var B=arguments;if(Ext.isArray(E)){E=E.join("")}else{if(B.length>1){var C=[];for(var D=0,A=B.length;D<A;D++){if(typeof B[D]=="object"){Ext.apply(this,B[D])}else{C[C.length]=B[D]}}E=C.join("")}}this.html=E;if(this.compiled){this.compile()}};Ext.Template.prototype={applyTemplate:function(B){if(this.compiled){return this.compiled(B)}var A=this.disableFormats!==true;var E=Ext.util.Format,C=this;var D=function(G,I,L,H){if(L&&A){if(L.substr(0,5)=="this."){return C.call(L.substr(5),B[I],B)}else{if(H){var K=/^\s*['"](.*)["']\s*$/;H=H.split(",");for(var J=0,F=H.length;J<F;J++){H[J]=H[J].replace(K,"$1")}H=[B[I]].concat(H)}else{H=[B[I]]}return E[L].apply(E,H)}}else{return B[I]!==undefined?B[I]:""}};return this.html.replace(this.re,D)},set:function(A,B){this.html=A;this.compiled=null;if(B){this.compile()}return this},disableFormats:false,re:/\{([\w-]+)(?:\:([\w\.]*)(?:\((.*?)?\))?)?\}/g,compile:function(){var fm=Ext.util.Format;var useF=this.disableFormats!==true;var sep=Ext.isGecko?"+":",";var fn=function(m,name,format,args){if(format&&useF){args=args?","+args:"";if(format.substr(0,5)!="this."){format="fm."+format+"("}else{format="this.call(\""+format.substr(5)+"\", ";args=", values"}}else{args="";format="(values['"+name+"'] == undefined ? '' : "}return"'"+sep+format+"values['"+name+"']"+args+")"+sep+"'"};var body;if(Ext.isGecko){body="this.compiled = function(values){ return '"+this.html.replace(/\\/g,"\\\\").replace(/(\r\n|\n)/g,"\\n").replace(/'/g,"\\'").replace(this.re,fn)+"';};"}else{body=["this.compiled = function(values){ return ['"];body.push(this.html.replace(/\\/g,"\\\\").replace(/(\r\n|\n)/g,"\\n").replace(/'/g,"\\'").replace(this.re,fn));body.push("'].join('');};");body=body.join("")}eval(body);return this},call:function(C,B,A){return this[C](B,A)},insertFirst:function(B,A,C){return this.doInsert("afterBegin",B,A,C)},insertBefore:function(B,A,C){return this.doInsert("beforeBegin",B,A,C)},insertAfter:function(B,A,C){return this.doInsert("afterEnd",B,A,C)},append:function(B,A,C){return this.doInsert("beforeEnd",B,A,C)},doInsert:function(C,E,B,A){E=Ext.getDom(E);var D=Ext.DomHelper.insertHtml(C,E,this.applyTemplate(B));return A?Ext.get(D,true):D},overwrite:function(B,A,C){B=Ext.getDom(B);B.innerHTML=this.applyTemplate(A);return C?Ext.get(B.firstChild,true):B.firstChild}};Ext.Template.prototype.apply=Ext.Template.prototype.applyTemplate;Ext.DomHelper.Template=Ext.Template;Ext.Template.from=function(B,A){B=Ext.getDom(B);return new Ext.Template(B.value||B.innerHTML,A||"")}; Ext.DomQuery=function(){var cache={},simpleCache={},valueCache={};var nonSpace=/\S/;var trimRe=/^\s+|\s+$/g;var tplRe=/\{(\d+)\}/g;var modeRe=/^(\s?[\/>+~]\s?|\s|$)/;var tagTokenRe=/^(#)?([\w-\*]+)/;var nthRe=/(\d*)n\+?(\d*)/,nthRe2=/\D/;function child(p,index){var i=0;var n=p.firstChild;while(n){if(n.nodeType==1){if(++i==index){return n}}n=n.nextSibling}return null}function next(n){while((n=n.nextSibling)&&n.nodeType!=1){}return n}function prev(n){while((n=n.previousSibling)&&n.nodeType!=1){}return n}function children(d){var n=d.firstChild,ni=-1;while(n){var n