内部搜索脚本
下面框中为脚本显示区
本例专为搜索站点(试输入yahoo)
order
搜索
脚本说明： 把如下代码加入<body>区域中: <script LANGUAGE="JavaScript1.1"> <!-- var tname= new Array (); // ------------------------ // Enter DATA HERE !! // ------------------------ tname[0]="Yahoo;www.yahoo.com"; tname[1]="Infoseek;www.infoseek.com"; tname[2]="Lycos;www.lycos.com"; tname[3]="WebCrawler;www.webcrawler.com"; tname[4]="Trovator;trovator.combios.es"; tname[5]="BIWE;biwe.cesat.es"; tname[6]="Ole;www.ole.es"; tname[7]="Fantastico;www.fantastico.com"; tname[8]="SOL;www.sol.es"; tname[9]="donde;donde.uji.es"; tname[10]="Telepolis;www.telepolis.com"; tname[11]="El Cano;www.elcano.com"; // ------------------------ function QuickSort (vec) { // ---------------------------------------- // Algoritmo QuickSort 1.0 vs. JavaScript // Guillermo BT // ---------------------------------------- orderedVec= Ordenar (vec,0,vec.length-1); return orderedVec } function Order (vec,iz,de) { // ------------------------------------------------------------ // Order (subfuncion de QuickSort) // PARAMETERS (IN): // *vec* : vector to Order (Array object) // *iz* : lower bound (typically 0) // *de* : upper bound (typically array.length-1) // // OUT: returns the ordered vector (lexicographic order) // ------------------------------------------------------------ var i=iz; var j=de; var x= vec[Math.round((iz+de)/ 2)]; while (i<=j) { while (vec[i]<x) {i++}; while (vec[j]>x) {j--}; if (i<=j) { var w= vec[i]; vec[i]= vec[j]; vec[j]= w; i++; j--; } } if (iz<j) Order(vec,iz,j); if (i<de) Order(vec,i,de); return vec; } function Vector2URL (elem, separation) { var cArray= elem.split(separation); var url="<a href=http://"+cArray[1]+">"; //alert (url); v.document.write ("<li>",cArray[0].fontcolor('red')); v.document.write (" haves ",url,"web</a> page<br>"); } function ShowEntries (vec) { v= window.open ('jv_sor2b.html','ventana', 'scrollbars=1,width=400,height=220'); v.document.write ("<b>Available entries:</b><br><ul>"); var i = 0; n=vec.length; if (n != 0) { while (i<n) { Vector2URL(vec[i], ';'); i++ } } v.document.write ("</ul>"); v.document.write ("<form><input type=button value=Close onClick='self.close()'></form>"); } function Manage (vector) { if (vector.length==0) { alert ("No entries were found!"); } else { alert ("Let's do it!"); ShowEntries (vector); } } function Search (strng, vector) { // ---------------------------------------- // Search 1.0-EN vs. JavaScript // Guillermo BT // ---------------------------------------- // IN: // *strng* : string to search // *vector* : Array object whose elements have the format: // "<name>;<web_page_URL>" // // OUT: // returns an Array with those elements whose <name> field // contains the *strng* string (substrings are allowed too) // // --------------------------------------------------------------- var i=0; var j=0; var array2= new Array(); while (i<(vector.length)) { var cArray= vector[i].split(';'); nStr=new String (cArray[0]); idx=nStr.toLowerCase().indexOf(strng); if (idx != -1) { array2[j]= vector[i]; j++ } i++ } return array2 } // --> </script> <FORM name=formSearch> <table border=2 bordercolor=blue cellpadding=3 cellspacing=4> <!-- FIRST ARROW --> <tr bgcolor=yellow> <th colspan=2>Access to data: <!-- SECOND ARROW --> <tr align=center> <td bgcolor=lightgreen><b>order</b> <td> <input type=button value="Chronological" name=botMostrar onClick="ShowEntries(tname)"> <input type=button value="Alphabetical" name=botOrder onClick="tname.sort(); ShowEntries(tname)"> <!-- THIRD ARROW --> <tr align=center> <td bgcolor=lightgreen><b>Search</b> <td> <input type=text size=20 name=who value=""><br> <input type=button value="similar words" name=botSearch onClick=" if (this.form.who.value=='') { alert ('You must enter something to search!') } else { valor=Search(this.form.who.value.toLowerCase(), tname); Manage (valor) }"> </table> </FORM>