把一个list中的数据按一定的条件进行分类

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private static List<Map<String, Object>> listTO2 = new ArrayList<Map<String, Object>>();

public static List<Map<String, Object>>  name11(List<Test_FileInfoVos> lf) {
		
		    if(lf.size()!=0){
			// 获取到第一个单号
			Test_FileInfoVos p1 = lf.get(0);
			String no1Str = p1.getAgeString();
			
			
			Map<String, Object> map = new HashMap<String, Object>();
			
			List<Test_FileInfoVos> list= new ArrayList<Test_FileInfoVos>();
			
			List<Test_FileInfoVos> lf2=new ArrayList<Test_FileInfoVos>();
			for (Test_FileInfoVos test_FileInfoVos : lf) {
				lf2.add(test_FileInfoVos);
			}
			
			for(int j=0;j<lf2.size();j++){
				if(no1Str.equals(lf2.get(j).getAgeString())){
					
					list.add(lf2.get(j));
					lf.remove(lf2.get(j));
					
					System.err.println("去除了第几个"+j);
				}
			}
			map.put(no1Str, list);
			listTO2.add(map);
			return name11(lf);
		}
		
		return listTO2;
	}

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转载自blog.csdn.net/m0_38044453/article/details/83012070