这里截获POST或GET请求提交的所有请求参数,并组成查询串返回
/**
*
*该方法用于将request中参数取出组成查询串后返回
*
*
@param
request
*HttpServletRequest
*
@return
String返回key1=value1&key2=value形式的查询串
*/
public
static
StringgetQueryString(HttpServletRequestrequest)
{
try
{
boolean
first
=
true
;
StringBufferstrbuf
=
new
StringBuffer(
""
);
EnumerationemParams
=
request.getParameterNames();
do
{
if
(
!
emParams.hasMoreElements())
{
break
;
}
StringsParam
=
(String)emParams.nextElement();
String[]sValues
=
request.getParameterValues(sParam);
StringsValue
=
""
;
for
(
int
i
=
0
;i
<
sValues.length;i
++
)
{
sValue
=
sValues[i];
if
(sValue
!=
null
&&
sValue.trim().length()
!=
0
&&
first
==
true
)
{
first
=
false
;
strbuf.append(sParam).append(
"
=
"
).append(
URLEncoder.encode(sValue,GBK_ENCODE));
}
else
if
(sValue
!=
null
&&
sValue.trim().length()
!=
0
&&
first
==
false
)
{
strbuf.append(
"
&
"
).append(sParam).append(
"
=
"
).append(
URLEncoder.encode(sValue,
"
GBK
"
));
}
}
}
while
(
true
);
return
strbuf.toString();
}
catch
(UnsupportedEncodingExceptione)
{
throw
RuntimeException(e);
}
}
/**
*
*该方法用于将request中参数取出组成查询串后返回
*
*
@param
request
*HttpServletRequest
*
@return
String返回key1=value1&key2=value形式的查询串
*/
public
static
StringgetQueryString(HttpServletRequestrequest)
{
try
{
boolean
first
=
true
;
StringBufferstrbuf
=
new
StringBuffer(
""
);
EnumerationemParams
=
request.getParameterNames();
do
{
if
(
!
emParams.hasMoreElements())
{
break
;
}
StringsParam
=
(String)emParams.nextElement();
String[]sValues
=
request.getParameterValues(sParam);
StringsValue
=
""
;
for
(
int
i
=
0
;i
<
sValues.length;i
++
)
{
sValue
=
sValues[i];
if
(sValue
!=
null
&&
sValue.trim().length()
!=
0
&&
first
==
true
)
{
first
=
false
;
strbuf.append(sParam).append(
"
=
"
).append(
URLEncoder.encode(sValue,GBK_ENCODE));
}
else
if
(sValue
!=
null
&&
sValue.trim().length()
!=
0
&&
first
==
false
)
{
strbuf.append(
"
&
"
).append(sParam).append(
"
=
"
).append(
URLEncoder.encode(sValue,
"
GBK
"
));
}
}
}
while
(
true
);
return
strbuf.toString();
}
catch
(UnsupportedEncodingExceptione)
{
throw
RuntimeException(e);
}
}
