?? requtils.java
字號:
package com.yhcms.utils;
import java.io.UnsupportedEncodingException;
import javax.servlet.http.HttpServletRequest;
/**
* <p>Title:Request的參數(shù)轉(zhuǎn)換</p>
* <li>從Request取得的各種變量類型的轉(zhuǎn)換</li>
* <br><b>CopyRight: yyhweb[由由華網(wǎng)]</b>
* @author stephen
* @version YH-2.0
*/
public class ReqUtils {
/**
* @param request request
* @throws UnsupportedEncodingException
*/
public static void setCharacterEncoding(HttpServletRequest request)
throws UnsupportedEncodingException {
request.setCharacterEncoding("UTF-8");
}
/**
* @param request
* @param paramName 參數(shù)名稱
* @return 從request獲取參數(shù)對應(yīng)字符串值
* @throws UnsupportedEncodingException
*/
public static String getString(HttpServletRequest request, String paramName)
throws UnsupportedEncodingException {
String value = request.getParameter(paramName);
return value != null ? value : "";
}
/**
* @param request
* @param paramName 參數(shù)名稱
* @return 從request獲取參數(shù)對應(yīng)數(shù)組值
* @throws UnsupportedEncodingException
*/
public static String[] getArray(HttpServletRequest request, String paramName)
throws UnsupportedEncodingException {
return request.getParameterValues(paramName);
}
/**
* @param request
* @param paramName 參數(shù)名稱
* @return 從request獲取參數(shù)對應(yīng)Byte值
*/
public static byte getByte(HttpServletRequest request, String paramName) {
String value = request.getParameter(paramName);
if (value == null || value.length() == 0)
return 0;
else
return Byte.parseByte(value);
}
/**
* @param request
* @param paramName 參數(shù)名稱
* @return 從request獲取參數(shù)對應(yīng)整型值
*/
public static int getInt(HttpServletRequest request, String paramName) {
String value = request.getParameter(paramName);
if (value == null || value.length() == 0)
return 0;
else
return Integer.parseInt(value);
}
/**
* @param request
* @param paramName 參數(shù)名稱
* @return 從request獲取參數(shù)對應(yīng)長整型值
*/
public static long getLong(HttpServletRequest request, String paramName) {
String value = request.getParameter(paramName);
if (value == null || value.length() == 0)
return 0L;
else
return Long.parseLong(value);
}
/**
* @param request
* @param paramName 參數(shù)名稱
* @return 從request獲取參數(shù)對應(yīng)短整型值
*/
public static short getShort(HttpServletRequest request, String paramName) {
String value = request.getParameter(paramName);
if (value == null || value.length() == 0)
return 0;
else
return Short.parseShort(value);
}
/**
* @param request
* @param paramName 參數(shù)名稱
* @return 從request獲取參數(shù)對應(yīng)布爾值
*/
public static boolean getBoolean(HttpServletRequest request,
String paramName) {
String value = request.getParameter(paramName);
if (value == null || value.length() == 0)
return false;
else
return Boolean.valueOf(value).booleanValue();
}
}
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