一些非常有用的JAVA常用方法(1).txt

文档介绍：key
日期:2001-6-2 17:06:13
作者:xiaoyou
出处:
<%!
stc_RSYB_Name stcRSYName1[];
stc_SYB_INF stcSYBINF1[];
%>
<%/*
String p = (String) ("access");
if (p==null || !("1")) {
("");
return;
}*/
%>
<%!
file://得到机器名字或IP
String get_Myhostname( request){
String myhostname = null;
try{
myhostname = ();
myhostname = ();
}catch(Exception e){}
return myhostname;
}
file://处理空字符串
String dealNull(String str) {
String returnstr = null;
if (str == null) returnstr = "";
else returnstr = str;
return returnstr;
}
file://处理空对象
Object dealNull(Object obj){
Object returnstr = null;
if (obj == null) returnstr = (Object)("");
else returnstr = obj;
return returnstr;
}
int dealEmpty(String s) {
s = dealNull(s);
if (("")) return 0;
return (s);
}
String replace(String str,String substr,String restr){
String[] tmp = split(str,substr);
String returnstr = null;
if(!=0) {
returnstr = tmp[0];
for(int i = 0 ; i < - 1 ; i++)
returnstr =dealNull(returnstr) + restr +tmp[i+1];
}
return dealNull(returnstr);
}
String htmlEncode(String txt){
txt = replace(txt,"&","&");
txt = replace(txt,"&","&");
txt = replace(txt,""",""");
txt = replace(txt,"\"",""");
txt =