web,xml应用文件
1.<filter>参数
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--多数据源支持监听 -->
java服务端： 每一个file对应一个具体的类，他会在web应用的servlet应用之响应
/*** Eclipse Class Decompiler plugin, copyright (c) 2012 Chao Chen (cnfree2000@hotmail.com) ***/
package org.springframework.web.filter; import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; public class CharacterEncodingFilter extends OncePerRequestFilter {
private String encoding;
private boolean forceEncoding = false; public void setEncoding(String encoding) {
this.encoding = encoding;
} public void setForceEncoding(boolean forceEncoding) {
this.forceEncoding = forceEncoding;
} protected void doFilterInternal(HttpServletRequest request,
HttpServletResponse response, FilterChain filterChain)
throws ServletException, IOException {
if ((this.encoding != null)
&& (((this.forceEncoding) || (request.getCharacterEncoding() == null)))) {
request.setCharacterEncoding(this.encoding);
if (this.forceEncoding) {
response.setCharacterEncoding(this.encoding);
}
}
filterChain.doFilter(request, response);
}
}
案例二xml
<!--多数据源支持监听 -->
<filter>
<filter-name>dataSourceFilter</filter-name>
<filter-class>cn.jasgroup.jasframework.dataaccess.filter.DataSourceFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>dataSourceFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
java服务器端
/*** Eclipse Class Decompiler plugin, copyright (c) 2012 Chao Chen (cnfree2000@hotmail.com) ***/
package cn.jasgroup.jasframework.dataaccess.filter; import cn.jasgroup.jasframework.dataaccess.observer.DataSourceObserver;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest; public class DataSourceFilter implements Filter {
public void destroy() {
} public void doFilter(ServletRequest request, ServletResponse response,
FilterChain filterChain) throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest) request;
String datasource = req.getParameter("dataSourceName");
if ((datasource != null) && (!("".equals(datasource)))) {
DataSourceObserver.setDataSourceName(datasource);
}
filterChain.doFilter(request, response);
} public void init(FilterConfig arg0) throws ServletException {
}
}
respoonser实例
/**
* 查询任意圈定区域所在工区信息
*
* @param request
* @param response
* @return
* @throws IOException
*/
@RequestMapping("/queryWorkareaInfo")
@ResponseBody
public void queryWorkareaInfo(HttpServletRequest request, HttpServletResponse response) throws IOException {
WorkareaInfoBo winfoBo = new WorkareaInfoBo();
String workareaName = request.getParameter("workareaName"); String wellIds = request.getParameter("wellIds");
String wellNames = request.getParameter("wellNames");
try {
wellNames = URLDecoder.decode(wellNames, "UTF-8");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} // 生产层位
String cengwei = request.getParameter("cengwei"); String date_start = request.getParameter("date_start");
String date_end = request.getParameter("date_end");
if (StringUtils.isNotBlank(cengwei)) {
try {
cengwei = URLDecoder.decode(cengwei, "UTF-8");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (!cengwei.equals("所有层位")) {
String cengwei_wellname = "";
String[] wellarr = wellNames.split(";");
wellNames="";
for (String val : wellarr) {
cengwei_wellname += "'" + val + "',";
}
cengwei_wellname += "@";
cengwei_wellname = cengwei_wellname.replace(",@", ""); // cengwei = getChildren(cengwei); // wellNames = "";
// String hql_per = "from Perforationdata where perforationposition in('" + cengwei + "') and wellnum in("
// + cengwei_wellname + ")";
String hql_per = "select distinct(jh) from YCSY_NEWHORIZON where cw in('" + cengwei + "') and jh in("
+ cengwei_wellname + ")"; List<NewHorizon> list = workareaInfoService.queryPerforation(hql_per);
for (Iterator iterator = list.iterator(); iterator.hasNext();) {
NewHorizon perforationdata = (NewHorizon) iterator.next();
wellNames += perforationdata.getJh() + ";";
}
}
}
// 生产层位end
/*
* try { wellNames = new
* String(wellNames.getBytes("ISO-8859-1"),"UTF-8"); } catch
* (UnsupportedEncodingException e1) { // TODO Auto-generated catch
* block e1.printStackTrace(); }
*/ Map<String, Object> map = new HashMap<String, Object>();
PageRequest pageRequest = this.getPage(request);
System.out.println(pageRequest + "=pageRequest");
// 根据工区名称查询所有井名称
if (!"".equals(workareaName) && null != workareaName) {
String str = "from Wellinfo where workArea = '" + workareaName + "'";
List<Wellinfo> wellInfoList = workareaInfoService.queryWellinfoList(pageRequest, str);
if (wellInfoList.size() > 0) {
String wellNum = "";
for (int i = 0; i < wellInfoList.size(); i++) {
wellNum = wellInfoList.get(i).getWellName();
wellIds += wellNum + ";";
}
}
}
String hql = joinHql(wellNames, workareaName);
String cyhql = "";
String zshql = "";
if (StringUtils.isNotBlank(workareaName)) {
cyhql = "from Wellinfo where wellType <> '注水井' and workArea = '" + workareaName + "'";
zshql = "from Wellinfo where wellType like '%注水%' and workArea = '" + workareaName + "'";
} else if (StringUtils.isNotBlank(wellIds)) {
cyhql = joinCyWellHql(wellIds);
zshql = joinZsWellHql(wellIds);
} else if (StringUtils.isNotBlank(wellNames)) {
cyhql = joinCyWellHqlName(wellNames);
zshql = joinZsWellHqlName(wellNames);
}
WorkareaInfoBo wibo = workareaInfoService.queryWorkareaInfo(pageRequest, hql + "@" + cyhql + "@" + zshql,
date_start, date_end, wellNames,cengwei);
String sql = "select tmcl cl ,qkzymj mj from ycab03 where qkmc = '东仁沟区'and gxsj=(select max(gxsj) gxsj from ycab03 where qkmc = '东仁沟区')";
List<AreaSeartH> ah = dataReportService.queryAreaAndChuliangServer(sql,AreaSeartH.class);
JSONObject obj = new JSONObject();
DecimalFormat df=new DecimalFormat("0.00");
if(ah.size()>0){
double yujichuliang;
double suoxuanmianji;
obj.put("dzreserves", ah.get(0).getCl());
obj.put("workarea", ah.get(0).getMj());
if(StringUtils.isNotEmpty(ah.get(0).getCl())&&StringUtils.isNotEmpty(wibo.getOilWellNum())){
yujichuliang = Double.parseDouble(ah.get(0).getCl())/1137*Double.parseDouble(wibo.getOilWellNum());
obj.put("guessGeologicla",df.format(yujichuliang));
}else{
obj.put("guessGeologicla", "0.00");
}
if(StringUtils.isNotEmpty(ah.get(0).getMj())&&StringUtils.isNotEmpty(wibo.getOilWellNum())){
suoxuanmianji = Double.parseDouble(ah.get(0).getMj())/1137*Double.parseDouble(wibo.getOilWellNum());
obj.put("calculatearea",df.format(suoxuanmianji));
}else{
obj.put("calculatearea", "0.00");
}
}else{
obj.put("dzreserves", "0.00");
obj.put("workarea", "0.00");
}
obj.put("endDate", wibo.getEndDate());
obj.put("injectWaterNum",wibo.getInjectWaterNum());
obj.put("productOilNum",wibo.getProductOilNum());
obj.put("oilWellNum",wibo.getOilWellNum());
obj.put("startDate", wibo.getStartDate());
obj.put("waterWellNum", wibo.getWaterWellNum());
obj.put("wellNames", wibo.getWellNames());
obj.put("yeliang",wibo.getYeliang()); obj.put("currcyou", wibo.getCurrcyou());
obj.put("currzshui",wibo.getCurrzshui());
obj.put("curryeliang", wibo.getCurryeliang());
response.getWriter().write(obj.toString());
response.getWriter().flush();
response.getWriter().close();
}