计算同比和环比增长率
今天做的项目中，遇到一个计算同期环比和上期环比的计算并显示出来。这是用ssm框架
代码示例：
@RequiresPermissions("analysis:analysis:smartSearch")
@RequestMapping(value = "/analysis/analysis/smartSearch")
public String smartSearch()
{
Page<ElectronicTax> page = new Page<ElectronicTax>(request, response);
//page.setPageSize( 25 );
if ( POST )
{
if ( !"".equals(request.getParameter("pageSize")) )
{
el.setPage(page);
}
Map<String, ArrayList<Map<String, Object>>> dataList = new HashMap<String, ArrayList<Map<String,Object>>>();
Map<String, List<String>> keyOne = new HashMap<String, List<String>>();
String transverse=null, munehisa=null;
List<Map<String, Object>> list = companyService.getElectronicTaxDao().getSmartSearch(el);
for( Map<String, Object> m : list )
{
if ( m != null )
{
Iterator<Entry<String, Object>> itr = m.entrySet().iterator();
while( itr.hasNext() )
{
Entry<String, Object> ety = itr.next();
String key = ety.getKey();
String value = ety.getValue().toString();
if ( "amount".equals(key) || ("accounting".equals(key) && el.getIsTime() == null )) continue;
if ( keyOne.get(key) == null )
{
if ( munehisa == null )
{
munehisa = key;
}
else
{
transverse = key;
}
keyOne.put(key, new ArrayList<String>());
}
if ( !keyOne.get(key).contains( value ) )
{
keyOne.get(key).add(value);
}
}
}
}
//横向为空，则只选择了一个字段，那么横向TITLE为金额
if ( transverse == null )
{
//transverse = "amount";
keyOne.put(transverse, new ArrayList<String>());
keyOne.get(transverse).add("金额");
System.out.println(keyOne.get(transverse));
}
else
{
if ( keyOne.get(transverse).size() > keyOne.get(munehisa).size())
{
//纵横向互换
String s = transverse;
transverse = munehisa;
munehisa = s;
}
model.addAttribute("transverse_param", getParam(transverse));
}
model.addAttribute("munehisa_param", getParam(munehisa));
Double currentsAmounts = null;
Double LastsAmounts = null;
for( Map<String, Object> m : list )
{
if ( dataList.get( m.get(munehisa) ) == null )
{
ArrayList<Map<String, Object>> tmpList = new ArrayList<Map<String, Object>>();
Map<String, Object> twelveMap = new HashMap<String, Object>();
for( Map<String, Object> mm : list )
{
if ( m.get(munehisa).equals( mm.get(munehisa) ) )
{
if ( transverse == null )
{
twelveMap.put("金额", mm.get("amount"));
}
else
twelveMap.put(mm.get(transverse).toString(), mm.get("amount"));
}
}
for( String ym : keyOne.get(transverse) )
{
Map<String, Object> map = new HashMap<String, Object>();
Double currentAmount;
map.put(transverse, ym);
if ( twelveMap.get(ym) == null )
{
currentAmount = 0.0;
}
else
{
currentAmount = Double.parseDouble( twelveMap.get(ym).toString() );
}
map.put("amount", currentAmount);
//对比计算
if ( el.getIdenticalCompare() != null )
{
// System.out.println(m.get(transverse).toString());
// System.out.println(m.get(munehisa).toString());
// System.out.println(munehisa);
// Double amount = companyService.getLastYearCount(m.get(transverse).toString(), m.get(munehisa).toString(), munehisa);
// double amount=20;
Double amount = 30d;
amount.toString();
map.put("identical", currentAmount - amount);
if ( amount > 0 )
{
map.put("identicals", (currentAmount - amount)/amount);
}
else map.put("identicals", 100);
}
if ( el.getRingCompare() != null )
{
Double amount = companyService.getLastMonthCount(m.get(transverse).toString(), m.get(munehisa).toString(), munehisa);
if ( amount > 0 )
{
map.put("ring", (currentAmount - amount)/amount);
}
else map.put("ring", 100);
}
if ( el.getCumulativeCompare() != null )
{
Double currentAmounts = companyService.getCumulativeCompare(m.get(transverse).toString(), m.get(munehisa).toString(), munehisa, "current");
Double LastAmounts = companyService.getCumulativeCompare(m.get(transverse).toString(), m.get(munehisa).toString(), munehisa, "");
//所有行业同比增量
if ( currentsAmounts == null )
{
currentsAmounts = companyService.getCumulativeCompare(m.get(transverse).toString(),"", munehisa, "current");
LastsAmounts = companyService.getCumulativeCompare(m.get(transverse).toString(), "", munehisa, "");
}
map.put("cumulative", currentAmounts);
map.put("cumulatives", currentAmounts-LastAmounts);//增量
if ( LastAmounts > 0 )
{
map.put("cumulativess", (currentAmounts-LastAmounts)/LastAmounts);//增速
}
else
{
map.put("cumulativess", 100);//增量
}
if ( currentsAmounts > 0 || LastsAmounts > 0)
{
map.put("cumulativesss", (currentAmounts-LastAmounts)/(currentsAmounts-LastsAmounts));//增速
}
else
{
map.put("cumulativesss", 100);//增量
}
}
tmpList.add( map );
}
dataList.put(m.get(munehisa).toString(), tmpList);
}
}
model.addAttribute("dataList", dataList);
model.addAttribute("transverse", keyOne.get(transverse));
}
if ( !"".equals(request.getParameter("pageSize")) )
{
model.addAttribute("page", page);
}
model.addAttribute("yearMonthList", companyService.getYearMonth());
return "addons/analysis/analysis/smartSearch";
} @RequiresPermissions("analysis:analysis:smartSearch") @RequestMapping(value = "/analysis/analysis/smartSearch") public String smartSearch() { Page
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