public static String getParameter(HttpServletRequest request,

String paramName) {

return getParameter(request, paramName, false);

}

//对空字符串进行处理

public static String getParameter(HttpServletRequest request,

String paramName, String defaultStr) {

String temp = request.getParameter(paramName);

if (temp != null) {

if (temp.equals("")) {

return defaultStr;

} else {

return nullToString(temp);

}

} else {

return defaultStr;

}

}

public static String getEscapeHTMLParameter(HttpServletRequest request,

String paramName) {

return nullToString(StringUtils.escapeHTMLTags(ParamUtils.getParameter(

request, paramName, true)));

}

public static String getParameter(HttpServletRequest request,

String paramName, boolean emptyStringsOK) {

String temp = request.getParameter(paramName);

if (temp != null) {

if (temp.equals("") && !emptyStringsOK) {

return "";

} else {

return temp;

}

} else {

return "";

}

}

public static int getIntParameter(HttpServletRequest request,

String paramName, int defaultNum) {

String temp = request.getParameter(paramName);

if (temp != null && !temp.equals("")) {

int num = defaultNum;

try {

num = Integer.parseInt(temp);

} catch (Exception ignored) {}

return num;

} else {

return defaultNum;

}

}

public static int getIntParameter(HttpServletRequest request,

String paramName) {

return getIntParameter(request, paramName, 0);

}

public static String nullToString(String oldString) {

if (oldString == null) {

return "";

}

return oldString;

}

public static String nullToString(String oldString,String defaultValue) {

oldString=nullToString(oldString);

if("".equals(oldString)){

return defaultValue;

}

return oldString;

}

public static String getRequestString(HttpServletRequest request,String s){

s=nullToString(s).trim();

s=ParamUtils.getEscapeHTMLParameter(request, s);

s=StringUtils.toChinese(s);

s=StringUtils.toUnicode(s);

s=StringUtils.StringtoSql(s);

return s;

}

public static String getRequestString(Request request, String s) {

s=nullToString(s).trim();

s=ParamUtils.getEscapeHTMLParameter(request, s);

//转码

// s=StringUtils.toChinese(s);

s=StringUtils.toUnicode(s);

s=StringUtils.StringtoSql(s);

return s;

}

public static String getSqlString(String s){

s=StringUtils.SqltoString(s);

s=StringUtils.toChinese(s);

s=nullToString(s).trim();

return s;

}

public static String getEscapeHTMLParameter(Request request, String s) {

return nullToString(StringUtils.escapeHTMLTags(request.getParameter(s)));

}

public static int getIntParameter(Request request, String s) {

int defaultNum=0;

String temp = request.getParameter(s);

if (temp != null && !temp.equals("")) {

int num = defaultNum;

try {

num = Integer.parseInt(temp);

} catch (Exception ignored) {}

return num;

} else {

return defaultNum;

}

}