document.getElementById( "div_chat ").innerText+=xmlhttp.responseText+ " </br> ";这样部队!
string nr = Request.QueryString[ "nr "];
string rz = DateTime.Now.ToString();
StringBuilder mytrr = new StringBuilder();
mytrr.Append(rz);
mytrr.Append( " 兄弟说: ");
mytrr.Append( " </br> ");//这样也不对
mytrr.Append(nr);
Response.Write(mytrr);
到底怎么写才能换行阿
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\n
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document.getElementById( "div_chat ").innerText+=xmlhttp.responseText+ "\n ";
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+ "\n "
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你累加起来看看mytrr 是什么,html如何换行你改知道吧?