java封装前端查询条件通用版

本文实例为大家分享了java封装前端查询条件的具体代码，供大家参考，具体内容如下

import hengyi.oa.mobile.exception.serviceexception;
import java.io.unsupportedencodingexception;
import java.util.list;
import java.util.map;
import java.util.map.entry;
import javax.servlet.http.httpservletrequest;
import org.apache.commons.lang.stringutils;
 
 
/**
 * 查询条件封装类
 * @author  xue.yq
 * @created 2018年11月11日
 */
public class tabletagbean
{
 public static final int default_page_size = 20;
 
 private static final string delimiter = "\n";
 
 private int m_page;
 
 private int m_pagesize = default_page_size;
 
 private int m_total;
 
 private string m_orderby;
 
 private boolean m_asc;
 
 private stringmap m_condition = new stringmap();
 
 private list m_list;
 
 private boolean m_builded = false;
 
 private string m_conditionparam = null;
 
 private int m_pagecount;
 
 private boolean m_canprev;
 
 private boolean m_cannext;
 
 public tabletagbean() {}
 
 public boolean getasc() {
  return m_asc;
 }
 
 public void setasc(boolean asc) {
  ensurenotbuilded();
  m_asc = asc;
 }
 
 public stringmap getcondition() {
  return m_condition;
 }
 
 public void setcondition(stringmap condition) {
  ensurenotbuilded();
  m_condition = condition;
 }
 
 public string getorderby() {
  return m_orderby;
 }
 
 public void setorderby(string orderby) {
  ensurenotbuilded();
  m_orderby = orderby;
 }
 
 public int getpage() {
  return m_page;
 }
 
 public void setpage(int page) {
  ensurenotbuilded();
  m_page = page;
 }
 
 public int getpagesize() {
  return m_pagesize;
 }
 
 public void setpagesize(int pagesize) {
  ensurenotbuilded();
  m_pagesize = pagesize;
 }
 
 public int gettotal() {
  return m_total;
 }
 
 public void settotal(int total) {
  ensurenotbuilded();
  m_total = total;
 }
 
 public list getlist() {
  return m_list;
 }
 
 public void setlist(list list) {
  ensurenotbuilded();
  m_list = list;
 }
 
 public void ensurenotbuilded() {
  if (m_builded) {
   throw new illegalstateexception(
     "can't set attribute to tabletagbean after build() is called.");
  }
 }
 
 public boolean getcannext() {
  return m_cannext;
 }
 
 public boolean getcanprev() {
  return m_canprev;
 }
 
 public string getconditionparam() {
  return m_conditionparam;
 }
 
 public int getpagecount() {
  return m_pagecount;
 }
 
 public void build() throws unsupportedencodingexception {
 
  if (m_condition.size() > 0) {
   m_conditionparam = cryptoutil.base64url_encode(m_condition
     .tostring(delimiter).getbytes("gbk"));
  }
 
  if (m_total % m_pagesize != 0) {
   m_pagecount = m_total / m_pagesize + 1;
  } else {
   m_pagecount = m_total / m_pagesize;
  }
 
  m_canprev = m_page > 0;
  m_cannext = m_page < m_pagecount - 1;
 
  m_builded = true;
 }
 
 public static tabletagbean getfromrequest(httpservletrequest req)
   throws unsupportedencodingexception {
  tabletagbean r = new tabletagbean();
 
  string p = req.getparameter("p");
  if (stringutils.isnotempty(p) ) {
   r.setpage(integer.parseint(p));
  }
  string o = req.getparameter("o");
  if (stringutils.isnotempty(o)) {
   r.setorderby(o);
  }
  string a = req.getparameter("a");
  if (stringutils.isnotempty(a)) {
   r.setasc(a.equals("1"));
  }
  string c = req.getparameter("c");
  if (stringutils.isnotempty(c)) {
   r.setcondition(decodeconditionparam(c));
  }
 
  return r;
 }
 
 private static stringmap decodeconditionparam(string c)
   throws unsupportedencodingexception {
  string s = new string(cryptoutil.base64url_decode(c), "gbk");
  return new stringmap(s, delimiter);
 }
 
 public string getqueryparameter() {
  stringbuffer sb=new stringbuffer();
  
  sb.append("p="+m_page);
  if(m_orderby!=null) {
   sb.append("&o="+m_orderby+"&a="+(m_asc?"1":"0"));
  }
  
  if(m_conditionparam!=null) {
   sb.append("&c="+m_conditionparam);
  }
  
  return sb.tostring();
 }
 
 @override
 public string tostring() {
  stringbuffer sb = new stringbuffer();
 
  sb.append("[tabletagbean]\r\n");
  sb.append("m_page: " + m_page + "\r\n");
  sb.append("m_pagesize :" + m_pagesize + "\r\n");
  sb.append("m_total :" + m_total + "\r\n");
  sb.append("m_orderby :" + m_orderby + "\r\n");
  sb.append("m_asc :" + m_asc + "\r\n");
  sb.append("m_condition :" + m_condition + "\r\n");
  sb.append("m_list(size) :" + m_list.size() + "\r\n");
  sb.append("m_builded :" + m_builded + "\r\n");
  sb.append("m_conditionparam :" + m_conditionparam + "\r\n");
  sb.append("m_pagecount :" + m_pagecount + "\r\n");
  sb.append("m_canprev :" + m_canprev + "\r\n");
  sb.append("m_cannext :" + m_cannext + "\r\n");
 
  return sb.tostring();
 }
 
 @suppresswarnings({ "rawtypes", "unchecked" })
 public static tabletagbean getfromparameter(httpservletrequest request)
  throws serviceexception
  {
  string start = request.getparameter("start");
  string limit = request.getparameter("limit");
  string asc = request.getparameter("dir");
  string orderby = request.getparameter("sort");
  int page = (start != null) ? integer.parseint(start) : 0;
  int pagesize = (limit != null) ? integer.parseint(limit) : 30;
  boolean isasc = "asc".equals(asc);
 
  tabletagbean ttb = new tabletagbean();
  ttb.setpage(page);
  ttb.setpagesize(pagesize);
  ttb.setorderby(orderby);
  ttb.setasc(isasc);
   
  
  map<string, string[]> m = request.getparametermap();
  string isencodeuri = request.getparameter("isencodeuri");
  if (m != null) {
   for (entry entry : m.entryset()) {
   string key = (string)entry.getkey();
   object[] value = (object[])entry.getvalue();
   
//   if("y".equals(isencodeuri)){
//    string v= java.net.urldecoder.decode(value[0].tostring(), "utf-8");
//    ttb.getcondition().put(key, (value[0] == null) ? null :v);
//   }else{
    ttb.getcondition().put(key, (value[0] == null) ? null : value[0].tostring());
//   }
   }
  }
  return ttb;
  }
 
}

 调用之处：

@requestmapping("/listagentawaitrepor")
 public list<departmentofficedto> listagentawaitrepor(httpservletrequest request) throws serviceexception
 {
  tabletagbean ttb = tabletagbean.getfromparameter(request);
  return oldagentawaitreportsearchfacade.list(ttb);
 }

取值之处：

string titlename = ttb.getcondition().get("titlename");
 if(!genericvalidator.isblankornull(titlename))
 {
  sql.append(" and biz.biz_title like :biztitle ");
  sqlparams.put("biztitle", "%"+titlename.trim()+"%");
 }

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。