<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>无标题文档</title></head> <body><form name="form1" method="post" action=""> <div align="center"> <input onkeyup="value=value.replace(/[^\u4E00-\u9FA5]/g,'')" name="textfield" type="text" value="1"> </div></form></body></html>

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