繁體中文当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 实现textarea内字符串选择查询替换功能
- Javascript
- JavaScript如何重构嵌套循环和递归
- JS应用在Firebug中的扩展架构模式
- 提升JS性能：将递归转换为迭代
- IE7浏览器下缩放图片失真问题
- JavaScript对DOM进行操作的指导性原则
- JavaScript有趣实例:胸罩罩杯尺寸计算器
- Firefox的Firebug扩展：FireScope
- Mozilla的JavaScript引擎__noSuchMethod__()方法
- JavaScript+CSS制作的网站导航菜单
- javascript的私有成员(private)
- Javascript绘制分析曲线图
- ie6使用js支持hover伪类
- 收集的25个下拉网页菜单特效Javascript脚本
- Javascript框架的自定义事件
- 总结Javascript调用函数的方法
- JS教程:call、apply、callee用法
- JS教程:数组类型检测和集合检测
- 兼容FF的设为首页与收藏网站的JS代码
- Javascript教程:PopUp对象
- JS读写Cookie以及设置过期时间
Javascript 中的 实现textarea内字符串选择查询替换功能
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-11-03 浏览: 233 ::
收藏到网摘: n/a
----------自动替换版----------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
var staus ;
var oRange;
var objTimer;
var objTimer1;
var objTimer2;
var sBookMark;
<!--
function selectall(objAll,OBJSingle){
alert(objAll.checked);
for (var i=0;i<OBJSingle.length;i++){
if (objAll.checked){
for( objs in OBJSingle){
alert(objs.value);
objs.checked=true;
}
}
else{
OBJSingle.checked=false;
}
}
}
function fnSearch() {
fm1.txtarea1.focus();
oRange = fm1.txtarea1.createTextRange();
searchtxt(1);
}
function searchtxt(n){
var v1;
var v2;
var txtr;
var blnS;
window.clearInterval(objTimer1);
window.clearInterval(objTimer2);
v1 = fm1.txtarea1.value;
v2 = fm1.txtarea2.value;
v3 = fm1.txtarea3.value;
if( n == 1) {
if (oRange != null) {
oRange.findText(v2);
if (oRange.findText(v2) == true){
//sBookMark = oRange.getBookmark();
oRange.select();
oRange.scrollIntoView();
objTimer2 = window.setInterval("searchtxt(2)",1000);
}
else{
objTimer = window.setInterval("searchtxt(3)",1000);
}
}
staus = 2 ;
}
else if(n==2) {
oRange.text = v3;
staus = 1;
objTimer1 = window.setInterval("searchtxt(1)",1000);
}
else if(n==3) {
staus = 3 ;
window.clearInterval(objTimer);
window.clearInterval(objTimer1);
window.clearInterval(objTimer2);
}
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<FORM METHOD=POST name="fm1">
<TEXTAREA NAME="txtarea1" ROWS="20" COLS="50">
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
this is the original text, and this is the string will be repalced.
</TEXTAREA>
<TEXTAREA NAME="txtarea2" ROWS="20" COLS="50"> will be </TEXTAREA>
<TEXTAREA NAME="txtarea3" ROWS="20" COLS="50"> has been </TEXTAREA>
<input type="button" value="search" onclick="fnSearch()">
</FORM>
</BODY>
</HTML>
--------------------------------手动改进版----------------------------------------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
var oRange; // save the current textrange
var intCount = 0; // this pos of current textrange in the total count
var intTotalCount = 0; // total count
<!--
//==============================================
//function : fnSearch()
//comment : Search the text
//param : none
//return : none
//author : Fantiny
//Date : 10/21/2005
//==============================================
function fnSearch() {
var strBeReplaced;
var strReplace;
strBeReplaced = fm1.txtarea2.value;
strReplace = fm1.txtarea3.value;
fnNext();
fm1.txtarea1.focus();
oRange = fm1.txtarea1.createTextRange(); //Create a textRange for the Textarea
// Find the text by findtext method
for (i=1; oRange.findText(strBeReplaced)!=false; i++) {
if(i==intCount){
oRange.select(); // select the finded text
oRange.scrollIntoView(); // scroll the page and set the text Into View
break;
}
oRange.collapse(false); //
}
}
//========================================
评论 (0) All
