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2023-04-14 cc0cbfc79a34e1b106fdb998450cd2ad03446126
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58d006 1 package com.mandi.common;
A 2
3 import java.lang.reflect.Method;
4 import java.lang.reflect.Type;
5 import java.util.Collections;
6 import java.util.Comparator;
7 import java.util.List;
8
9 import org.apache.commons.lang3.StringUtils;
10
11 public class ListSortUtil<T> {
12     
13      @SuppressWarnings({ "unchecked", "rawtypes" })  
14         public void sort(List<T> targetList, final String sortField, final String sortMode) {  
15           
16             Collections.sort(targetList, new Comparator() {  
17                 public int compare(Object obj1, Object obj2) {   
18                     int retVal = 0;  
19                     try {  
20                         //首字母转大写  
21                         String newStr=sortField.substring(0, 1).toUpperCase()+sortField.replaceFirst("\\w","");   
22                         String methodStr="get"+newStr;  
23                           
24                         Method method1 = ((T)obj1).getClass().getMethod(methodStr, null);  
25                         Method method2 = ((T)obj2).getClass().getMethod(methodStr, null);  
26                         if (sortMode != null && "desc".equals(sortMode)) {  
27                             if(method1.invoke(((T) obj2), null)==null||method2.invoke(((T) obj1), null)==null){
28                                 retVal=1;
29                             }else {
30                                 retVal = method1.invoke(((T) obj2), null).toString().compareTo(method2.invoke(((T) obj1), null).toString()); // 倒序  
31                             }
32                         } else {  
33                             if(method2.invoke(((T) obj2), null)==null||method1.invoke(((T) obj1), null)==null){
34                                 retVal=-1;
35                             }else {
36                                 retVal = method2.invoke(((T) obj1), null).toString().compareTo(method1.invoke(((T) obj2), null).toString()); // 正序  
37                             }
38                         }  
39                     } catch (Exception e) {  
40                         throw new RuntimeException();  
41                     }  
42                     return retVal;  
43                 }  
44             });  
45         } 
46      
47      
48      @SuppressWarnings({ "unchecked", "rawtypes" })  
49         public void sortFields(List<T> targetList, final List<String> sortFields) {  
50           
51             Collections.sort(targetList, new Comparator() {  
52                 public int compare(Object obj1, Object obj2) {   
53                     int retVal = 0;  
54                     try {  
55                         for (int i=0;i<sortFields.size();i++) {
56                             String sortField=sortFields.get(i).split("-")[0];
57                             String sortMode=sortFields.get(i).split("-")[1];
58                             //首字母转大写  
59                             String newStr=sortField.substring(0, 1).toUpperCase()+sortField.replaceFirst("\\w","");   
60                             String methodStr="get"+newStr;  
61                             
62                             Method method1 = ((T)obj1).getClass().getMethod(methodStr, null);  
63                             Method method2 = ((T)obj2).getClass().getMethod(methodStr, null); 
64                             if(method1==null|| method2==null){
65                                 continue;
66                             }
67                             Type tp =method1.getGenericReturnType();
68                             String tt="";
69                             boolean sz=false;
70                             if(tp!=null){
71                                 tt=tp.toString();
72                                 if(!StringUtils.isEmpty(tt)){
73                                     if(tt.contains("int")||tt.contains("double")){
74                                         sz=true;
75                                     }
76                                 }
77                             }
78                             if (sortMode != null && "desc".equals(sortMode)) {  
79                                 if(method2.invoke(((T) obj2), null)==null){
80                                     retVal=0;
81                                     continue;
82                                 }else if(method1.invoke(((T) obj1), null)==null){
83                                     retVal=0;
84                                     continue;
85                                 }else {
86                                     if(sz){
87                                         if(!method1.invoke(((T) obj2), null).toString().equals(method2.invoke(((T) obj1), null).toString())){
88                                             if(tt.contains("int")){
89                                                 if(Integer.parseInt(method1.invoke(((T) obj2), null).toString())>Integer.parseInt(method2.invoke(((T) obj1), null).toString())){
90                                                     retVal = 1; // 倒序  
91                                                 }else if(Integer.parseInt(method1.invoke(((T) obj2), null).toString())<Integer.parseInt(method2.invoke(((T) obj1), null).toString())){
92                                                     retVal = -1;
93                                                 }else{
94                                                     retVal = 0; // 倒序  
95                                                     continue;
96                                                 }
97                                                 break;
98                                             }else if(tt.contains("double")){
99                                                 if(Double.parseDouble((method1.invoke(((T) obj2), null).toString()))>Double.parseDouble(method2.invoke(((T) obj1), null).toString())){
100                                                     retVal = 1; // 倒序  
101                                                 }else if(Double.parseDouble(method1.invoke(((T) obj2), null).toString())<Double.parseDouble(method2.invoke(((T) obj1), null).toString())){
102                                                     retVal = -1;
103                                                 }else{
104                                                     retVal = 0; // 倒序  
105                                                     continue;
106                                                 }
107                                                 break;
108                                             }
109                                         }else{
110                                             retVal =0;
111                                             continue;
112                                         }
113                                     }else{
114                                         if(!method1.invoke(((T) obj2), null).toString().equals(method2.invoke(((T) obj1), null).toString())){
115                                             retVal = method1.invoke(((T) obj2), null).toString().compareTo(method2.invoke(((T) obj1), null).toString()); // 倒序  
116                                             break;
117                                         }else{
118                                             retVal =0;
119                                             continue;
120                                         }
121                                     }
122                                     
123                                 }
124                             } else {  
125                                 if(method1.invoke(((T) obj1), null)==null){
126                                     retVal=0;
127                                     continue;
128                                 }else if(method2.invoke(((T) obj2), null)==null){
129                                     retVal=0;
130                                     continue;
131                                 }else {
132                                     if(sz){
133                                         if(!method2.invoke(((T) obj1), null).toString().equals(method1.invoke(((T) obj2), null).toString())){
134                                             if(tt.contains("int")){
135                                                 if(Integer.parseInt(method1.invoke(((T) obj1), null).toString())>Integer.parseInt(method2.invoke(((T) obj2), null).toString())){
136                                                     retVal =1;
137                                                     break;
138                                                 }else if(Integer.parseInt(method1.invoke(((T) obj1), null).toString())<Integer.parseInt(method2.invoke(((T) obj2), null).toString())){
139                                                     retVal =-1;
140                                                     break;
141                                                 }else{
142                                                     retVal=0;
143                                                     continue;
144                                                 }
145                                             }else if(tt.contains("double")){
146                                                 if(Double.parseDouble(method1.invoke(((T) obj1), null).toString())>Double.parseDouble(method2.invoke(((T) obj2), null).toString())){
147                                                     retVal =1;
148                                                     break;
149                                                 }else if(Double.parseDouble(method1.invoke(((T) obj1), null).toString())<Double.parseDouble(method2.invoke(((T) obj2), null).toString())){
150                                                     retVal =-1;
151                                                     break;
152                                                 }else{
153                                                     retVal=0;
154                                                     continue;
155                                                 }
156                                             }
157                                         }else{
158                                             retVal=0;
159                                             continue;
160                                         }
161                                     }else{
162                                         if(!method2.invoke(((T) obj1), null).toString().equals(method1.invoke(((T) obj2), null).toString())){
163                                             retVal = method2.invoke(((T) obj1), null).toString().compareTo(method1.invoke(((T) obj2), null).toString()); // 正序  
164                                             break;
165                                         }else{
166                                             retVal=0;
167                                             continue;
168                                         }
169                                     }
170                                 }
171                             }  
172                         }
173                     } catch (Exception e) {  
174                         throw new RuntimeException();  
175                     }  
176                     return retVal;  
177                 }  
178             });  
179 //            System.out.println("targetList:::::"+Jacksonmethod.tojson(targetList, false));
180         } 
181
182 }