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
1 /*** Eclipse Class Decompiler plugin, copyright (c) 2012 Chao Chen (cnfree2000@hotmail.com) ***/ 2 package org.springframework.web.filter; 3 4 import java.io.IOException; 5 import javax.servlet.FilterChain; 6 import javax.servlet.ServletException; 7 import javax.servlet.http.HttpServletRequest; 8 import javax.servlet.http.HttpServletResponse; 9 10 public class CharacterEncodingFilter extends OncePerRequestFilter { 11 private String encoding; 12 private boolean forceEncoding = false; 13 14 public void setEncoding(String encoding) { 15 this.encoding = encoding; 16 } 17 18 public void setForceEncoding(boolean forceEncoding) { 19 this.forceEncoding = forceEncoding; 20 } 21 22 protected void doFilterInternal(HttpServletRequest request, 23 HttpServletResponse response, FilterChain filterChain) 24 throws ServletException, IOException { 25 if ((this.encoding != null) 26 && (((this.forceEncoding) || (request.getCharacterEncoding() == null)))) { 27 request.setCharacterEncoding(this.encoding); 28 if (this.forceEncoding) { 29 response.setCharacterEncoding(this.encoding); 30 } 31 } 32 filterChain.doFilter(request, response); 33 } 34 }
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(); }