提取代码中的部分代码字段

发布时间：2020-07-22 08:19:27 来源：网络阅读：371 作者：pmlinjian 栏目：开发技术

	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<title>提取代码中的部分代码字段</title>
	<style type="text/css">
	.left_part { width:600px; float:left; }
	.left_part textarea { width:100%; }
	.right_part { float:left; width:600px; margin:0 0 0 30px; }
	.right_part textarea { width:100%; }
	</style>
	</head>
	<body>
	<div class="left_part">
	<textarea name="" id="code" cols="120" rows="40">粘贴文本</textarea>
	<br>
	<br>
	<input type="button" value="生成" id="build_btn" style="width:100px; height:100px; font-size:20px; float:right; ">
	</div>
	<div class="right_part">
	<textarea name="" id="build" cols="120" rows="40"></textarea>
	</div>
	<script>
	var reg = after = '';
	var t = document.getElementById('code');
	var b = document.getElementById('build_btn');
	var c = document.getElementById('build');

	reg = /\<destination\>(.*)(\.)(shtml\|html\|jsp\|js\|css\|xml)\<\/destination\>/g;
	after = "$1$2$3";

	b.onclick = function(){
	var v = t.value;
	var sc = r = "";
	var result = [];
	var i = 0;
	while ((r = reg.exec(v)) != null){
	result[i] = r[0];
	i++;
	}
	for(var i = 0; i < result.length; i++){
	for(var j = i + 1; j < result.length; j++){
	if(result[i] == result[j]){
	result.splice(j,1);
	j--;
	}
	}
	}
	sc = result.join('\n');
	sc = sc.replace(reg,after).replace(/\\/g,'/');
	c.value = sc;
	c.select();
	}
	</script>
	</body>
	</html>

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