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
- innertext , insertadjacentelement , insertadjacenthtml , insertadjacenttext 等区别
- JavaScript与C# Windows应用程序交互方法
- javascript之解决IE下不渲染的bug
- javascript之锁定表格栏位
- javascript实现鼠标选取拖动或Ctrl选取拖动
- 优化网页之快速的呈现我们的网页
- javascritp实现input输入框相关限制用法
- 用javascript实现的激活输入框后隐藏初始内容
- CSS代码格式化和压缩的方法与技巧
- autocomplete禁止自动完成功能
- IE autocomplete internet explorer''s autocomplete
- 如何快速的呈现我们的网页的技巧整理
- 计算黄金分割的javascript代码
- 设置和读取cookie的javascript代码
- javascript 复选框选择/全选后特效
- 实现一个年、月、季度联动SELECT的javascript代码
- javascript事件模型代码
- WordPress 插件——CoolCode使用方法与下载
- 用javascript实现画图效果的代码
- javascript发表评论或者留言时的展开效果
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: 367 ::
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
