/*
* 创建日期 2005-5-29
*/
package org.quickbundle.tools.helper;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletRequest;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.jsp.JspWriter;
import org.quickbundle.ICoreConstants;
import org.quickbundle.base.exception.RmRuntimeException;
import org.quickbundle.base.web.page.RmPageVo;
import org.quickbundle.config.RmBaseConfig;
import org.quickbundle.itf.IObject2Object;
import org.quickbundle.tools.support.log.RmLogHelper;
/**
* @author 帮助实现一些有关Jsp页面的处理
*/
public class RmJspHelper implements ICoreConstants {
/**
* 从表单中获取值，从ISO转到RmConfig.defaultEncode()默认编码，如果是null则返回""
*
* @param request HttpServletRequest
* @param name 需要获取的input名字
* @return 表单中的实际内容
*/
public static String getParameter(HttpServletRequest request, String name) {
String strValue = request.getParameter(name);
if (strValue == null) {
strValue = "";
} else if (strValue.equals("null")) {
strValue = "";
} else {
try {
strValue = new String(strValue.getBytes("ISO8859_1"), RmBaseConfig.getSingleton().getDefaultEncode());
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
return strValue;
}
/**
* 功能: 先从request.getAttribute，没有的话再从request.getParameter取
*
* @param request
* @param key
* @return
*/
public static String getValueFromRequest_attributeParameter(HttpServletRequest request, String key) {
String value = null;
if(request.getAttribute(key) != null) { //如果request.getAttribute中有，就不取request.getParameter
value = request.getAttribute(key).toString();
} else {
//如果有多个key值，取最后一个
if(request.getParameterValues(key) != null && request.getParameterValues(key).length > 1) {
value = request.getParameterValues(key)[request.getParameterValues(key).length-1];
} else {
value = request.getParameter(key); //从request的parameter获得
}
}
return value;
}
/**
* 从表单中获取整数值，如果是null或 "null"，则过滤为0
*
* @param request-->HttpServletRequest
* @param name-->需要获取的input名字
* @return 表单中的实际内容
*/
public static int getParameterInt(HttpServletRequest request, String name) {
String strValue = request.getParameter(name);
if (strValue == null) {
strValue = "0";
} else if ("null".equals(strValue)) {
strValue = "0";
}
int returnValue = 0;
try {
returnValue = Integer.parseInt(strValue);
} catch (NumberFormatException e) {
e.printStackTrace();
}
return returnValue;
}
/**
* 功能: 如果有一个参数重复提交，取最后一个，J2EE默认取第一个
*
* @param request
* @param name
* @return
*/
public static String getLastParameter(HttpServletRequest request, String name) {
if(request.getParameterValues(name) == null) {
return null;
} else {
if(request.getParameterValues(name).length == 1) {
return request.getParameter(name);
} else {
return request.getParameterValues(name)[request.getParameterValues(name).length-1];
}
}
}
/**
* 将某字符替换为某字符串, 例如将 \n替换为 <br>
*
* @param pStr 被处理的字符串
* @param pC 被替换的字符
* @param rep 替换后的字符串
* @return 字符串
*/
public static String replaceAllChar2String(String pStr, char pC, String rep) throws Exception {
java.text.StringCharacterIterator sciter = new java.text.StringCharacterIterator(pStr);
StringBuilder rt = new StringBuilder();
for (char c = sciter.first(); c != java.text.StringCharacterIterator.DONE; c = sciter.next()) {
if (c == pC) {
rt.append(rep);
} else {
rt.append(c);
}
}
return rt.toString();
}
/**
* 将String输出处理, 用于直接显示在Jsp页面
*
* @param pStr-->被处理的字符串
* @return 字符串
*/
public static String filterJspString(String pStr) throws Exception {
pStr = replaceAllChar2String(pStr, '<', "<");
pStr = replaceAllChar2String(pStr, '>', ">");
pStr = replaceAllChar2String(pStr, '\n', "<br>");
pStr = replaceAllChar2String(pStr, ' ', " ");
return pStr;
}
/**
* 将String输出处理, 用于直接显示在Jsp页面中的textarea中
*
* @param pStr-->被处理的字符串
* @return 字符串
*/
public static String filterJspString4Textarea(String pStr) throws Exception {
pStr = replaceAllChar2String(pStr, '<', "<");
pStr = replaceAllChar2String(pStr, '>', ">");
pStr = replaceAllChar2String(pStr, ' ', " ");
return pStr;
}
/**
* 弹出信息，确认后跳转到上一页
*
* @param out
* @param msg
* @throws java.lang.Exception
*/
public static void showHtmlAlertHistory(JspWriter out, String msg) throws Exception {
out.write("<html>");
out.write("<head><title></title>");
out.write("<meta http-equiv='Content-Type' content='text/html; charset=" + RmBaseConfig.getSingleton().getDefaultEncode() + "'>");
out.write("</head>");
out.write("<body>");
out.write("<SCRIPT type=\"text/javascript\">");
out.write("<!--\n");
out.write("alert(\"" + msg + "\");\n");
out.write("history.go(-1)");
out.write("\n//-->");
out.write("</SCRIPT>");
out.write("</body>");
out.write("</html>");
}
/**
* 弹出信息，确认后跳转到doAfterStr指定页面并且覆盖父页面
*
* @param out
* @param msg
* @param doAfterStr
* @throws java.lang.Exception
*/
public static void showHtmlAlertParent(JspWriter out, String msg, String doAfterStr) throws Exception {
out.write("<html>");
out.write("<head><title></title>");
out.write("<meta http-equiv='Content-Type' content='text/html; charset=GBK'>");
out.write("</head>");
out.write("<body>");
out.write("<SCRIPT type=\"text/javascript\">");
out.write("<!--\n");
out.write("alert(\"" + msg + "\");\n");
out.write("parent.navigate(\"" + doAfterStr + "\")");
//out.write("window.location=\"" + doAfterStr + "\"");
out.write("\n//-->");
out.write("</SCRIPT>");
out.write("</body>");
out.write("</html>");
}
/**
* 弹出信息，确认后跳转到doAfterStr指定页面
*
* @param out
* @param msg
* @param doAfterStr
* @throws java.lang.Exception
*/
public static void showHtmlAlert(JspWriter out, String msg, String doAfterStr) throws Exception {
out.write("<html>");
out.write("<head><title></title>");
out.write("<meta http-equiv='Content-Type' content='text/html; charset=GBK'>");
out.write("</head>");
out.write("<body>");
out.write("<SCRIPT type=\"text/javascript\">");
out.write("<!--\n");
out.write("alert(\"" + msg + "\");\n");
out.write("window.location=\"" + doAfterStr + "\"");
out.write("\n//-->");
out.write("</SCRIPT>");
out.write("</body>");
out.write("</html>");
}
/**
* 弹出信息，确认后关闭页面
*
* @param out
* @param msg
* @throws java.lang.Exception
*/
public static void showHtmlAlertClose(JspWriter out, String msg) throws Exception {
out.write("<html>");
out.write("<head><title></title>");
out.write("<meta http-equiv='Content-Type' content='text/html; charset=GBK'>");
out.write("</head>");
out.write("<body>");
out.write("<SCRIPT type=\"text/javascript\">");
out.write("<!--\n");
out.write("alert(\"" + msg + "\");\n");
out.write("window.self.close();");
out.write("\n//-->");
out.write("</SCRIPT>");
out.write("</body>");
out.write("</html>");
}
/**
* 实现从Map到二位数组的转换
*
* @return
*/
private static IObject2Object map2StringArray() {
return new IObject2Object() {
/**
* 实现从Map到二位数组的转换
*
* @param thisObj
* @return
*/
public Object object2Object(Object thisObj) {
Map mOptionValue = (Map) thisObj;
String[][] aOptionValue = new String[mOptionValue.size()][2];
Iterator itMOptionValue = mOptionValue.keySet().iterator();
int index = 0;
while (itMOptionValue.hasNext()) {
String tempKey = (String) itMOptionValue.next();
String tempValue = (String) mOptionValue.get(tempKey);
aOptionValue[index][0] = tempKey;
aOptionValue[index][1] = tempValue;
index++;
}
return aOptionValue;
}
};
}
/**
* 创建一个select,接受Map
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param mOptionValue 要显示的option列表
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @param hasEmptyValue 是否有""空字符串
* @return select的HTML代码
*/
public static String getSelectField(String strName, int nDisplaySize, Map mOptionValue, String strCompare, String strProperty, boolean hasEmptyValue) {
return getSelectField(strName, nDisplaySize, mOptionValue,map2StringArray(), strCompare, strProperty, hasEmptyValue, null);
}
/**
* 创建一个select,接受Map
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param mOptionValue 要显示的option列表
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @param hasEmptyValue 是否有""空字符串
* @param pleaseSelectStr hasEmptyValue==true时，指定""对应的显示名称
* @return select的HTML代码
*/
public static String getSelectField(String strName, int nDisplaySize, Map mOptionValue, String strCompare, String strProperty, boolean hasEmptyValue, String pleaseSelectStr) {
if (mOptionValue != null) {
return getSelectField(strName, nDisplaySize, mOptionValue,map2StringArray(), strCompare, strProperty, hasEmptyValue, pleaseSelectStr);
} else {
return "";
}
}
/**
* 创建一个select，接受Object和IObject2Object
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param thisObj 要显示的option列表
* @param objectHandler 把object变成String[][]的回调实现
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @param hasEmptyValue 是否有""空字符串
* @param pleaseSelectStr hasEmptyValue==true时，指定""对应的显示名称
* @return select的HTML代码
*/
public static String getSelectField(String strName, int nDisplaySize, Object thisObj, IObject2Object objectHandler, String strCompare, String strProperty, boolean hasEmptyValue, String pleaseSelectStr) {
return getSelectField(strName,nDisplaySize,(String[][])objectHandler.object2Object(thisObj),strCompare,strProperty, hasEmptyValue, pleaseSelectStr);
}
/**
* 创建一个select，接受二维数组
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param aOptionValue 要显示的option列表
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @param hasEmptyValue 是否有""空字符串
* @param pleaseSelectStr hasEmptyValue==true时，指定""对应的显示名称
* @return select的HTML代码
*/
public static String getSelectField(String strName, int nDisplaySize, String[][] aOptionValue, String strCompare, String strProperty, boolean hasEmptyValue, String pleaseSelectStr) {
StringBuffer returnString = new StringBuffer();
try {
if (strProperty == null)
strProperty = "";
if (strCompare == null)
strCompare = "";
returnString.append("<select name='" + strName + "' ");
returnString.append(strProperty);
returnString.append(" >\r\n");
if(hasEmptyValue) {
returnString.append("<option value='' ");
if (strCompare.length() == 0) {
returnString.append(" selected ");
}
returnString.append(">");
if(pleaseSelectStr == null) {
returnString.append("--请选择--");
} else {
returnString.append(pleaseSelectStr);
}
returnString.append("</option>\r\n");
}
if (aOptionValue != null) {
for (int i = 0; i < aOptionValue.length; i++) {
String tempKey = aOptionValue[i][0];
String tempValue = aOptionValue[i][1];
returnString.append("<option value='" + tempKey + "' ");
if (tempKey.equals(strCompare)) {
returnString.append(" selected ");
}
//截去超长的字符
if (tempValue != null && tempValue.length() > nDisplaySize && nDisplaySize >= 0) {
tempValue = tempValue.substring(0, nDisplaySize);
}
returnString.append(">" + tempValue + "</option>\r\n");
}
}
returnString.append("</select> ");
return returnString.toString();
} catch (Exception e) {
e.printStackTrace();
return "";
}
}
/**
* 创建一个select多选，接受Map
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param mOptionValue 要显示的option列表
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @param showType 展示类型 0，排斥；1，显示；2，都显示，但strCompare要被选中
* @return select的HTML代码
*/
public static String getSelectFieldMultiple(String strName, int nDisplaySize, Map mOptionValue, String[] strCompare, String strProperty, int showType) {
if (mOptionValue != null) {
return getSelectFieldMultiple(strName, nDisplaySize, mOptionValue,map2StringArray(), strCompare, strProperty, showType);
} else {
return "";
}
}
/**
* 创建一个select多选，接受Object和IObject2Object
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param thisObj 要显示的option列表
* @param objectHandler 把object变成String[][]的回调实现
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @param showType 展示类型 0，排斥；1，显示；2，都显示，但strCompare要被选中
* @return select的HTML代码
*/
public static String getSelectFieldMultiple(String strName, int nDisplaySize, Object thisObj, IObject2Object objectHandler, String[] strCompare, String strProperty, int showType) {
if(thisObj != null && objectHandler != null) {
return getSelectFieldMultiple(strName,nDisplaySize,(String[][])objectHandler.object2Object(thisObj),strCompare,strProperty, showType);
} else {
return "";
}
}
/**
* 功能: 创建一个select多选，接受二维数组
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param aOptionValue 要显示的option列表
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @param showType 展示类型 0:排斥strCompare；1:只显示strCompare；2:都显示，strCompare要被选中
* @return select的HTML代码
*/
public static String getSelectFieldMultiple(String strName, int nDisplaySize, String[][] aOptionValue, String[] strCompare, String strProperty, int showType) {
if (showType != 0 && showType != 1 && showType != 2)
return "";
StringBuffer returnString = new StringBuffer();
try {
if (strProperty == null) {
strProperty = "";
}
if (strCompare == null) {
strCompare = new String[0];
}
returnString.append("<select multiple name='" + strName + "' ");
returnString.append(strProperty);
returnString.append(" >\r\n");
if (aOptionValue != null) {
for (int i = 0; i < aOptionValue.length; i++) {
String tempKey = aOptionValue[i][0];
String tempValue = aOptionValue[i][1];
/* 截去超长的字符 */
if (tempValue != null && tempValue.length() > nDisplaySize && nDisplaySize >= 0) {
tempValue = tempValue.substring(0, nDisplaySize);
}
switch (showType) {
case 0: {
if (RmStringHelper.arrayContainString(strCompare, tempKey)) {
break;
} else {
returnString.append("<option value='" + tempKey + "'>" + tempValue + "</option>\r\n");
}
break;
}
case 1: {
if (RmStringHelper.arrayContainString(strCompare, tempKey)) {
returnString.append("<option value='" + tempKey + "'>" + tempValue + "</option>\r\n");
} else {
break;
}
break;
}
case 2: {
returnString.append("<option value='" + tempKey + "' ");
if (RmStringHelper.arrayContainString(strCompare, tempKey)) {
returnString.append(" selected ");
}
returnString.append(">" + tempValue + "</option>\r\n");
break;
}
default:
break;
}
}
}
returnString.append("</select> ");
return returnString.toString();
} catch (Exception e) {
e.printStackTrace();
return "";
}
}
/**
* 功能: 创建一个radio列表，多选，接受Map
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param mOptionValue 要显示的option列表
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @return radio的HTML代码
*/
public static String getRadioField(String strName, int nDisplaySize, Map mOptionValue, String strCompare, String strProperty) {
if (mOptionValue != null) {
return getRadioField(strName, nDisplaySize, mOptionValue,map2StringArray(), strCompare, strProperty);
} else {
return "";
}
}
/**
* 功能: 接受Object和IObject2Object，生成表单创建一个radio列表，多选
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param thisObj 要显示的option列表
* @param objectHandler 把object变成String[][]的回调实现
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @return radio的HTML代码
*/
public static String getRadioField(String strName, int nDisplaySize, Object thisObj, IObject2Object objectHandler, String strCompare, String strProperty) {
if(thisObj != null && objectHandler != null) {
return getRadioField(strName,nDisplaySize,(String[][])objectHandler.object2Object(thisObj),strCompare,strProperty);
} else {
return "";
}
}
/**
* 功能: 创建一个radio列表
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param aOptionValue 要显示的option列表
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @return radio的HTML代码
*/
public static String getRadioField(String strName, int nDisplaySize, String[][] aOptionValue, String strCompare, String strProperty) {
StringBuffer returnStr = new StringBuffer();
try {
if (strProperty == null)
strProperty = "";
if (strCompare == null)
strCompare = "";
if (aOptionValue != null) {
for (int i = 0; i < aOptionValue.length; i++) {
String tempKey = aOptionValue[i][0];
String tempValue = aOptionValue[i][1];
if (!"".equals(returnStr.toString())) {
returnStr.append(" ");
}
/* 截去超长的字符 */
if (tempValue != null && tempValue.length() > nDisplaySize && nDisplaySize >= 0) {
tempValue = tempValue.substring(0, nDisplaySize);
}
returnStr.append("<input type='radio' name='" + strName + "' value='" + tempKey + "' ");
if (tempKey.equals(strCompare)) {
returnStr.append(" checked ");
}
returnStr.append(strProperty);
returnStr.append("/>");
returnStr.append(tempValue);
}
}
return returnStr.toString();
} catch (Exception e) {
e.printStackTrace();
return "";
}
}
/**
* 功能: 创建一个Checkbox列表，多选，接受Map
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param mOptionValue 要显示的option列表
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @return checkbox的HTML代码
*/
public static String getCheckboxField(String strName, int nDisplaySize, Map mOptionValue, String[] strCompare, String strProperty) {
if (mOptionValue != null) {
return getCheckboxField(strName, nDisplaySize, mOptionValue,map2StringArray(), strCompare, strProperty);
} else {
return "";
}
}
/**
* 功能: 接受Object和IObject2Object，生成表单创建一个Checkbox列表，多选
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param thisObj 要显示的option列表
* @param objectHandler 把object变成String[][]的回调实现
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @return checkbox的HTML代码
*/
public static String getCheckboxField(String strName, int nDisplaySize, Object thisObj, IObject2Object objectHandler, String[] strCompare, String strProperty) {
if(thisObj != null && objectHandler != null) {
return getCheckboxField(strName,nDisplaySize,(String[][])objectHandler.object2Object(thisObj),strCompare,strProperty);
} else {
return "";
}
}
/**
* 功能: 创建一个Checkbox列表
*
* @param strName 名称
* @param nDisplaySize 显示的长度，超过则截取
* @param aOptionValue 要显示的radio列表
* @param strCompare 要比较的字符串
* @param strProperty 额外的属性,例如"onchange='change()'"
* @return checkbox的HTML代码
*/
public static String getCheckboxField(String strName, int nDisplaySize, String[][] aOptionValue, String[] strCompare, String strProperty) {
StringBuffer returnStr = new StringBuffer();
try {
if (strProperty == null)
strProperty = "";
if (strCompare == null)
strCompare = new String[] {};
if (aOptionValue != null) {
for (int i = 0; i < aOptionValue.length; i++) {
String tempKey = aOptionValue[i][0];
String tempValue = aOptionValue[i][1];
if (!"".equals(returnStr.toString())) {
returnStr.append(" ");
}
//截去超长的字符
if (tempValue != null && tempValue.length() > nDisplaySize && nDisplaySize >= 0) {
tempValue = tempValue.substring(0, nDisplaySize);
}
returnStr.append("<input type='checkbox' name='" + strName + "' value='" + tempKey + "' ");
if (RmStringHelper.arrayContainString(strCompare, tempKey)) {
returnStr.append(" checked ");
}
returnStr.append(strProperty);
returnStr.append("/>");
returnStr.append(tempValue);
}
}
return returnStr.toString();
} catch (Exception e) {
e.printStackTrace();
return "";
}
}
/**
* 功能: 从request中获取session，如果没有session会自动创建新session
*
* @param request
* @return
*/
public static HttpSession getSession(ServletRequest request) {
return getSession(request, true);
}
/**
* 功能: 从request中获取session，根据create判断是否创建新session
*
* @param request
* @param create 当session为null，如果true则自动创建新session，如果false返回null
* @return
*/
public static HttpSession getSession(ServletRequest request, boolean create) {
if(request instanceof HttpServletRequest) {
HttpServletRequest req = (HttpServletRequest) request;
HttpSession session = req.getSession(create);
return session;
} else {
return null;
}
}
/**
* 功能: 从request获取服务器根的http地址，如http://127.0.0.1:9999
*
* @param request
* @return
*/
public static String getRootHttpUrl(HttpServletRequest request) {
String baseProjectPath = request.getScheme() + "://" + request.getServerName() + ":" + String.valueOf(request.getServerPort());
return baseProjectPath;
}
/**
* 功能: 从request获取war应用的http地址，如http://127.0.0.1:9999/rmweb
*
* @param request
* @return
*/
public static String getWarHttpUrl(HttpServletRequest request) {
String baseProjectPath = request.getScheme() + "://" + request.getServerName() + ":" + String.valueOf(request.getServerPort()) + request.getContextPath();
return baseProjectPath;
}
/**
* 根据总记录数重新计算PageVo，并用偏移值调整PageVo
*
* @param request
* @param modifyCount
* @param recordCount
*/
public static RmPageVo transctPageVo(HttpServletRequest request, int recordCount) {
int pageSize = RmBaseConfig.getSingleton().getDefaultPageSize();
String requestValue = getValueFromRequest_attributeParameter(request, RM_PAGE_SIZE);
try {
if(requestValue != null && requestValue.trim().length() > 0) {
pageSize = Integer.parseInt(requestValue);
} else if(request.getParameter("limit") != null && request.getParameter("limit").trim().length() > 0) {
pageSize = Integer.parseInt(request.getParameter("limit").trim());
}
} catch (Exception e) {
RmLogHelper.getLogger(RmJspHelper.class).error(e.toString());
}
RmPageVo pageVo = new RmPageVo(recordCount, pageSize);
//第几页
int currentPage = 1;
String uri = request.getRequestURI();
boolean rememberPage = false;
try {
rememberPage = RmBaseConfig.getSingleton().isRememberPage();
} catch (Throwable e) {
//ignore
}
try {
String requestCurrentPage = getValueFromRequest_attributeParameter(request, RM_CURRENT_PAGE);
if(requestCurrentPage != null && requestCurrentPage.trim().length() > 0) {
currentPage = Integer.parseInt(requestCurrentPage);
if(rememberPage) {
RmJspHelper.getSession(request).setAttribute("RmGlobalCurrentPage", new String[]{uri, requestCurrentPage});
}
} else if(request.getParameter("start") != null && request.getParameter("start").trim().length() > 0){
int start = Integer.parseInt(request.getParameter("start").trim());
currentPage= (start + 1) / pageSize + 1;
} else if(rememberPage && RmJspHelper.getSession(request).getAttribute("RmGlobalCurrentPage") != null) {
String[] aUrlQc = (String[])RmJspHelper.getSession(request).getAttribute("RmGlobalCurrentPage");
if(uri.equals(aUrlQc[0])) {
currentPage = Integer.parseInt(aUrlQc[1]);
}
}
} catch (Exception e) {
RmLogHelper.getLogger(RmJspHelper.class).warn(e.toString());
}
pageVo.setCurrentPage(currentPage);
request.setAttribute(RM_PAGE_VO, pageVo);
return pageVo;
}
/**
* 功能: 获取RmPageVo
*
* @param request
* @return
*/
public static RmPageVo getPageVo(HttpServletRequest request) {
if(request.getAttribute(RM_PAGE_VO) != null) {
return (RmPageVo)request.getAttribute(RM_PAGE_VO);
} else {
return new RmPageVo(0,1);
}
}
/**
* 从request中获得排序关键字
* @param request
* @return
*/
public static String getOrderStr(HttpServletRequest request) {
StringBuilder orderStr = null;
String requestValue = RmJspHelper.getValueFromRequest_attributeParameter(request, RM_ORDER_STR);
if(requestValue != null && requestValue.trim().length() > 0) {
orderStr = new StringBuilder(requestValue);
} else if(request.getParameter("sort") != null && request.getParameter("sort").trim().length() > 0){
orderStr = new StringBuilder(request.getParameter("sort").trim());
orderStr.append(request.getParameter("dir") != null ? " " + request.getParameter("dir").trim() : "");
}
return orderStr == null ? null : orderStr.toString();
}
/**
* 从 request 获取可能为多个值的数组表示, 所有的""会被忽略
*
* @param request
* @param inputName
* @return
*/
public static String[] getArrayFromRequest(HttpServletRequest request, String inputName) {
List<String> result = new ArrayList<String>();
String[] reqArray = null;
String tempStr = request.getParameter(inputName);
if(tempStr != null && tempStr.length() > 0) {
reqArray = tempStr.split(",");
}
if(reqArray == null) {
reqArray = new String[0];
}
for(String str : reqArray) {
if(str.length() > 0) {
result.add(str);
}
}
return result.toArray(new String[0]);
}
/**
* 从 request 获取可能为多个值的数组表示, 所有的""会被忽略
*
* @param request
* @param inputName
* @return
*/
public static Long[] getLongArrayFromRequest(HttpServletRequest request, String inputName) {
String[] strResult = getArrayFromRequest(request, inputName);
Long[] result = new Long[strResult.length];
for (int i = 0; i < strResult.length; i++) {
result[i] = new Long(strResult[i]);
}
return result;
}
/**
* 功能: 从 request 获取可能为多个值的数组表示，""也是有效的单个值，null会返回0数组
*
* @param request
* @param inputName
* @return
*/
public static String[] getArrayWithEmptyFromRequest(HttpServletRequest request, String inputName) {
String[] returnStrArray = null;
String tempStr = request.getParameter(inputName);
if(tempStr != null && tempStr.length() > 0) {
returnStrArray = tempStr.split(",", -1);
}
if(returnStrArray == null) {
returnStrArray = new String[0];
}
return returnStrArray;
}
/**
* 功能: 返回alert代码
*
* @param str
* @return
*/
public static String getJavaScriptAlertCode(String str) {
StringBuilder jsStr = new StringBuilder("\n<script type=\"text/javascript\">");
jsStr.append("\n alert('");
jsStr.append(RmStringHelper.replaceStringToScript(str));
jsStr.append("');");
jsStr.append("\n</script>");
return jsStr.toString();
}
/**
* 回写表单
*
* @param mRequest
* @param ignoreName 定义哪些key值的input不回写
* @return
*/
public static String setupFormElementAuthorize(Map mAuthorize) {
if(mAuthorize == null) {
return "";
}
StringBuffer rtValue = new StringBuffer();
rtValue.append(" function rmSetupAllAuthorize() {\n");
rtValue.append(" var aRmFormAuthorize = new Array();\n");
rtValue.append(" var mRmFormAuthorize = new Object();\n");
for(Iterator itMAuthorize = mAuthorize.keySet().iterator(); itMAuthorize.hasNext(); ) {
String tempKey = (String) itMAuthorize.next();
String tempValue = (mAuthorize.get(tempKey) == null) ? "" : String.valueOf(mAuthorize.get(tempKey));
rtValue.append(" rmSetupAuthorize(\"" + tempKey + "\",\"" + tempValue + "\");\n");
}
rtValue.append(" }\n");
rtValue.append(" rmSetupAllAuthorize();\n");
return rtValue.toString();
}
public static void saveOrderStr(String orderStr, HttpServletRequest request) {
request.setAttribute(RM_ORDER_STR, orderStr);
}
public static void setProfile(HttpServletRequest request, HttpServletResponse response, String key, String value) {
setProfile(request, response, key, value, RmBaseConfig.getSingleton().getDefaultCookieAge());
}
public static void setProfile(HttpServletRequest request, HttpServletResponse response, String key, String value, int cookieAge) {
request.setAttribute(key, value);
//TODO 导致sessionid失效 IE8
if(!"1".equals(request.getAttribute("RM_RESPONSE_WRITE_BACK"))) {
//回写原来的cookie
Cookie[] aCookie = request.getCookies();
if(aCookie != null) {
for(Cookie c : aCookie) {
if(!key.equals(c.getName())) {
response.addCookie(c);
}
}
}
request.setAttribute("RM_RESPONSE_WRITE_BACK", "1");
}
Cookie cookie = new Cookie(key, value);
cookie.setPath(request.getContextPath());
cookie.setMaxAge(cookieAge);
try {
response.addCookie(cookie);
} catch (Exception e) {
//不处理cookie的异常
}
}
public static String getProfile(HttpServletRequest request, String key) {
if(request.getAttribute(key) != null) {
return request.getAttribute(key).toString();
} else {
Cookie[] aCookie = request.getCookies();
if(aCookie != null) {
for(Cookie c : aCookie) {
if(key.equals(c.getName()) && c.getValue() != null && c.getValue().length() > 0) {
return c.getValue();
}
}
}
}
return null;
}
public static void clearProfile(HttpServletRequest request, HttpServletResponse response, String key) {
request.removeAttribute(key);
if(!"1".equals(request.getAttribute("RM_RESPONSE_WRITE_BACK"))) {
//回写原来的cookie
Cookie[] aCookie = request.getCookies();
if(aCookie != null) {
for(Cookie c : aCookie) {
if(!key.equals(c.getName())) {
response.addCookie(c);
}
}
}
request.setAttribute("RM_RESPONSE_WRITE_BACK", "1");
}
Cookie cookie = new Cookie(key, "");
cookie.setPath(request.getContextPath());
cookie.setMaxAge(0);
response.addCookie(cookie);
}
/**
*
* 功能: 在跳往指定页面前alert一个信息
*
* @param response
* @param alertStr alert的信息
* @param forwardPath 想要跳往的页面url
*/
public static void goUrlWithAlert(HttpServletRequest request, HttpServletResponse response, String alertStr, String forwardPath) {
try {
response.sendRedirect(request.getContextPath() + "/jsp/util/rmAlertForward.jsp?rm_alertStr=" + RmStringHelper.encodeUrl(alertStr) + "&rm_targetForwardPath=" + RmStringHelper.encodeUrl(forwardPath));
} catch (IOException e) {
throw new RmRuntimeException("", e);
}
}
}