<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script type="text/javascript">
// -------------- 全局变量，用来判断文本域中是否包含脏词,默认为false,即不包含脏词-------
var isDirty = false;
//读取本地dirtyword词库
function readFile(filename){
/*函数编辑区*/
try {
var fso = new ActiveXObject("Scripting.FileSystemObject");
var file = fso.OpenTextFile(filename, 1);
var fileContent = file.ReadAll();
file.Close();
return fileContent.split(' ');
} catch (e) {
alert('请开启ActiveX');
}
}
/*
* 提交表单的主方法
* 在提交表单的时候对内容进行过滤并在文本域显示过滤后的内容
*/
function submitForm1() {
/*函数编辑区*/
var messageValue = document.getElementById('message').value;
messageValue = filterWord(messageValue);
if (isDirty) {
alert(messageValue);
document.getElementById('message').value = messageValue;
if (confirm('你的留言中含有不恰当的词语,系统已自动为你修改,是否继续提交?')) {
return true;
}
return false;
}
return true;
}
/*
* 对传进来的messageValue过滤并返回新内容
*/
function filterWord(messageValue) {
// 根据文本域的id获取文本域对象内容
/*函数编辑区*/
var dirtyWords = readFile('c:/ciku.txt');
for (var i = 0; i < dirtyWords.length; i++) {
isDirty = true;
messageValue = filterOneWord(messageValue, dirtyWords[i]);
}
return messageValue;
}
/*
* 这个函数用来过滤单个词语, 如果messageValue中含有oneDirtyWord, 则用"**"替换这个oneDirtyWord
* messageValue --- 要过滤的语句
*/
function filterOneWord(messageValue, oneDirtyWord) {
/*函数编辑区*/
var regexp = new RegExp(oneDirtyWord, 'gi');
return messageValue.replace(regexp, '**');
}
</script>
</head>
<body>
<form name="message_board" id="message_board" action="aaa.html">
<textarea name="message" id="message" cols="50" rows="10">
"In a world that's changing really quickly, the biggest risk is not taking any risk."
—— Mark Zuckerberg
</textarea><br/>
<input type="button" value="提交留言" id="submitMessage" onclick="submitForm1()"/>
</form>
</body>
</html>
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