1 package com.dao.impl;
2
3 import java.lang.reflect.ParameterizedType;
4 import java.util.Collection;
5 import java.util.List;
6
7 import org.hibernate.Query;
8 import org.hibernate.Session;
9 import org.hibernate.SessionFactory;
10 import org.springframework.beans.factory.annotation.Autowired;
11 import org.springframework.beans.factory.annotation.Qualifier;
12 import org.springframework.stereotype.Repository;
13
14 import com.dao.IBaseDao;
15 import com.exception.CustomException;
16 import com.utils.BeanUtil;
17 import com.utils.Page;
18 import com.utils.QueryObject;
19 import com.utils.QueryParam;
20
21 @SuppressWarnings("unchecked")
22 @Repository
23 public class BaseDao<T> implements IBaseDao<T>{
24
25 @Autowired(required = true)
26 @Qualifier("sessionFactory")
27 private SessionFactory sessionFactory;
28
29 protected Session getCurrentSession() {
30 return this.sessionFactory.getCurrentSession();
31 }
32
33 /**
34 * @Description: 根据ID获取对象
35 * @param id ID
36 * @return T
37 * @throws Exception
38 */
39 public T get(String id) throws CustomException
40 {
41 List<T> objects = this.getAllByProperty("objId", id);
42 if (!objects.isEmpty())
43 {
44 return objects.get(0);
45 }
46 return null;
47 }
48
49 /**
50 * @Description: 根据ID获取对象
51 * @param id ID
52 * @param c
53 * @return T
54 * @throws Exception
55 */
56 public Object get(String id,Class c) throws CustomException
57 {
58 List<T> objects = (List<T>)this.getAllByProperty("objId", id,c);
59 if (!objects.isEmpty())
60 {
61 return objects.get(0);
62 }
63 return null;
64 }
65
66 /**
67 * @Description: 根据属性获取对象
68 * @param propertyName 属性
69 * @param value 值
70 * @return T
71 * @throws Exception
72 */
73 public T getObjectByProperty(String propertyName,Object value) throws CustomException
74 {
75 List<T> objects = this.getAllByProperty(propertyName, value);
76 if (!objects.isEmpty())
77 {
78 return objects.get(0);
79 }
80 return null;
81 }
82
83 /**
84 * @Description: 根据属性获取对象
85 * @param propertyName 属性
86 * @param value 值
87 * @param c
88 * @return T
89 * @throws Exception
90 */
91 public T getObjectByProperty(String propertyName,Object value,Class c) throws CustomException
92 {
93 List<T> objects = (List<T>)this.getAllByProperty(propertyName, value, c);
94 if (!objects.isEmpty())
95 {
96 return objects.get(0);
97 }
98 return null;
99 }
100
101 /**
102 * @Description: 获取所有对象
103 * @return List<T>
104 * @throws Exception
105 */
106 public List<T> getAll() throws CustomException
107 {
108 Class baseClass;
109 try
110 {
111 baseClass = Class.forName(BeanUtil.getParamType(this.getClass()).replace("class ", ""));
112 } catch (ClassNotFoundException e)
113 {
114 throw new CustomException(this.getClass()+"没有泛型! 或者没有重写 getBaseClass() method");
115 }
116 return this.getAll(baseClass);
117 }
118
119 /**
120 * @Description: 获取所有对象
121 * @param c
122 * @return List<T>
123 * @throws Exception
124 */
125 public List<T> getAll(Class c) throws CustomException
126 {
127 String hql = " from "+c.getSimpleName();
128 List<T> objects = this.getCurrentSession().createQuery(hql).list();
129 return objects;
130 }
131
132 /**
133 * @Description: 根据属性获取所有对象
134 * @param propertyName 属性
135 * @param value 值
136 * @return List<T>
137 * @throws Exception
138 */
139 public List<T> getAllByProperty(String propertyName,Object value) throws CustomException
140 {
141 Class baseClass;
142 try
143 {
144 baseClass = Class.forName(BeanUtil.getParamType(this.getClass()).replace("class ", ""));
145 } catch (ClassNotFoundException e)
146 {
147 throw new CustomException(this.getClass()+"没有泛型! 或者没有重写 getBaseClass() method");
148 }
149 return (List<T>)this.getAllByProperty(propertyName, value, baseClass);
150 }
151
152 /**
153 * @Description: 根据属性获取所有对象
154 * @param propertyName 属性
155 * @param value 值
156 * @param c
157 * @return List<T>
158 * @throws Exception
159 */
160 public List<Object> getAllByProperty(String propertyName,Object value,Class c) throws CustomException
161 {
162 StringBuffer hql = new StringBuffer();
163 hql.append(" from "+c.getSimpleName()+" where "+propertyName+" = ‘"+value+"‘");
164 List<Object> objects = this.getCurrentSession().createQuery(hql.toString()).list();
165 return objects;
166 }
167
168 /**
169 * @Description: 保存Object
170 * @param object 实体
171 * @return void
172 * @throws Exception
173 */
174 public void save(T object)throws CustomException
175 {
176 this.getCurrentSession().saveOrUpdate(object);
177 }
178
179 /**
180 * @Description: 保存Object
181 * @param object 实体
182 * @param c
183 * @return void
184 * @throws Exception
185 */
186 public void save(Object object,Class c)throws CustomException
187 {
188 this.getCurrentSession().saveOrUpdate(object);
189 }
190
191 /**
192 * @Description: 保存Object
193 * @param objects 实体
194 * @return void
195 * @throws Exception
196 */
197 public void saveCollections(Collection<T> objects) throws CustomException
198 {
199 for (Object object:objects)
200 {
201 this.save((T)object);
202 }
203 }
204
205 /**
206 * @Description: 保存Object
207 * @param objects 实体
208 * @param c
209 * @return void
210 * @throws Exception
211 */
212 public void saveCollections(Collection<T> objects,Class c) throws CustomException
213 {
214 for (Object object:objects)
215 {
216 this.save((T)object);
217 }
218 }
219
220 /**
221 * @Description: 删除对象
222 * @param id
223 * @return void
224 * @throws Exception
225 */
226 public void remove(String id)
227 {
228 Class baseClass;
229 try
230 {
231 baseClass = Class.forName(BeanUtil.getParamType(this.getClass()).replace("class ", ""));
232 } catch (ClassNotFoundException e)
233 {
234 throw new CustomException(this.getClass()+"没有泛型! 或者没有重写 getBaseClass() method");
235 }
236 this.remove(id, baseClass);
237 }
238
239 /**
240 * @Description: 删除对象
241 * @param ids
242 * @param c
243 * @return void
244 * @throws Exception
245 */
246 public void remove(String[] ids,Class c)
247 {
248 for (String id:ids)
249 {
250 this.remove(id, c);
251 }
252 }
253
254 /**
255 * @Description: 删除对象
256 * @param id
257 * @param c
258 * @return void
259 * @throws Exception
260 */
261 public void remove(String id,Class c)
262 {
263 this.removeObjectByProperty("objId", id, c);
264 }
265
266 /**
267 * @Description: 删除对象
268 * @param object 实体
269 * @return void
270 * @throws Exception
271 */
272 public void remove(T object)
273 {
274 this.getCurrentSession().delete(object);
275 }
276
277 /**
278 * @Description: 删除对象
279 * @param objects
280 * @return void
281 * @throws Exception
282 */
283 public void removeCollections(Collection<T> objects) throws CustomException
284 {
285 for (Object object:objects)
286 {
287 this.remove((T)object);
288 }
289 }
290
291 /**
292 * @Description: 删除对象
293 * @param propertyName 属性名
294 * @param value 值
295 * @return void
296 * @throws Exception
297 */
298 public void removeObjectByProperty(String propertyName,Object value)throws CustomException
299 {
300 Class baseClass;
301 try
302 {
303 baseClass = Class.forName(BeanUtil.getParamType(this.getClass()).replace("class ", ""));
304 }
305 catch (ClassNotFoundException e)
306 {
307 throw new CustomException(this.getClass()+"没有泛型! 或者没有重写 getBaseClass() method");
308 }
309 this.removeObjectByProperty(propertyName, value, baseClass);
310 }
311
312 /**
313 * @Description: 删除对象
314 * @param propertyName 属性名
315 * @param value 值
316 * @param c
317 * @return void
318 * @throws Exception
319 */
320 public void removeObjectByProperty(String propertyName,Object value,Class c)throws CustomException
321 {
322 StringBuffer hql = new StringBuffer();
323 hql.append(" delete ").append(c.getSimpleName()).append(" ");
324 hql.append(" where ").append(propertyName).append(" = ? ");
325 this.getCurrentSession().createQuery(hql.toString()).setParameter(0, value).executeUpdate();
326 }
327
328 /**
329 * @Description: 分页查询
330 * @param queryObject
331 * @param page
332 * @return void
333 * @throws Exception
334 */
335 public void findByQueryObject(QueryObject queryObject,Page page)
336 {
337 StringBuffer hql = new StringBuffer();//hql语句
338 hql.append(" from ").append(queryObject.getEntityClass().getSimpleName()).append(" where 1=1 ");
339 String bieming = "bm";
340 for (QueryParam param:queryObject.getQueryParam().getAndParams()) //循环参数集合，拼接查询条件
341 {
342 if(!QueryParam.OPERATOR_IS.equals(param.getOperator())){
343 hql.append(" and ").append(param.getName()).append(" ").append(param.getOperator()).append(" ").append(":").append(bieming).append(" ");
344 }else{
345 hql.append(" and ").append(param.getName()).append(" ").append(param.getOperator()).append(" ").append("null");
346 }
347 bieming += bieming;
348 }
349 String sql = " ";
350 if(queryObject.getQueryProjections().getOrderProperty()!=null)//拼接排序条件
351 {
352 for(String s :queryObject.getQueryProjections().getOrderProperty())
353 {
354 sql = "order by "+ s ;
355 if(queryObject.getQueryProjections().getDescFlag()!=null &&queryObject.getQueryProjections().getDescFlag()[0])
356 {
357 sql = sql +" desc";
358 }
359 else
360 {
361 sql = sql + " asc";
362 }
363 }
364 }
365 Query query = this.getCurrentSession().createQuery(hql.toString()+sql);//查询结果集
366
367 bieming = "bm";
368 for (QueryParam param:queryObject.getQueryParam().getAndParams())
369 {
370 if( QueryParam.OPERATOR_IN.equals(param.getOperator()) || QueryParam.OPERATOR_NIN.equals(param.getOperator()) || QueryParam.OPERATOR_NOTIN.equals(param.getOperator())){
371 query.setParameterList(bieming, param.getValue().toString().split(","));
372 }else{
373 if(!QueryParam.OPERATOR_IS.equals(param.getOperator())){
374 query.setParameter(bieming, param.getValue());
375 }
376 }
377 bieming += bieming;
378 }
379 query.setFirstResult(page.getFirstResultNum());//设置分页显示的记录数
380 query.setMaxResults((int)page.getPageSize());
381 page.setData(query.setCacheable(true).list());
382
383 //查询总记录数
384 String hql_1 = "select count(*) " + hql.toString();
385 query = this.getCurrentSession().createQuery(hql_1);
386 bieming = "bm";
387 for (QueryParam param:queryObject.getQueryParam().getAndParams())
388 {
389 if( QueryParam.OPERATOR_IN.equals(param.getOperator())|| QueryParam.OPERATOR_NIN.equals(param.getOperator()) || QueryParam.OPERATOR_NOTIN.equals(param.getOperator())){
390 query.setParameterList(bieming, param.getValue().toString().split(","));
391 }else{
392 if(!QueryParam.OPERATOR_IS.equals(param.getOperator())){
393 query.setParameter(bieming, param.getValue());
394 }
395 }
396 bieming += bieming;
397 }
398 page.setTotal((Long)(query.setCacheable(true).list().get(0)));
399 }
400
401 /**
402 * @Description: 公共查询
403 * @param queryObject
404 * @return List<T>
405 * @throws Exception
406 */
407 public List<T> findByQueryObject(QueryObject queryObject)
408 {
409 StringBuffer hql = new StringBuffer();
410 hql.append(" from ").append(queryObject.getEntityClass().getSimpleName()).append(" where 1=1 ");
411 String bieming = "bm";
412 for (QueryParam param:queryObject.getQueryParam().getAndParams())
413 {
414 hql.append(" and ").append(param.getName()).append(" ").append(param.getOperator()).append(" ").append(":").append(bieming).append(" ");
415 bieming += bieming;
416 }
417 Query query = this.getCurrentSession().createQuery(hql.toString());
418 bieming = "bm";
419 for (QueryParam param:queryObject.getQueryParam().getAndParams())
420 {
421 if( QueryParam.OPERATOR_IN.equals(param.getOperator())|| QueryParam.OPERATOR_NIN.equals(param.getOperator()) || QueryParam.OPERATOR_NOTIN.equals(param.getOperator())){
422 query.setParameterList(bieming, param.getValue().toString().split(","));
423 }else{
424 query.setParameter(bieming, param.getValue());
425 }
426 bieming += bieming;
427 }
428 return query.list();
429 }
430
431 /**
432 *
433 * @Description: sql+条件查询
434 * @param @param queryObject
435 * @param @return
436 * @return List<String>
437 * @throws
438 * @author ningpeng
439 * @date 2016年10月21日
440 */
441 public List<Object[]> findDomainByQueryObject(QueryObject queryObject)
442 {
443 StringBuffer SQL = new StringBuffer();
444 String sql = queryObject.getQuerySql();
445 SQL.append(sql);
446
447 for (QueryParam param:queryObject.getQueryParam().getAndParams())
448 {
449 SQL.append(" and ").append(param.getName()).append(" ").append(param.getOperator()).append(" ").append(" ? ");
450 }
451 Query query = this.getCurrentSession().createSQLQuery(sql.toString());
452 for (int i=0;i<queryObject.getQueryParam().getAndParams().size();i++)
453 {
454 query.setParameter(i, queryObject.getQueryParam().getAndParams().get(i).getValue());
455 }
456 return query.list();
457 }
458
459
460 /**
461 * @Description: 修改
462 * @param 修改字段,修改值,条件字段，条件值
463 * @return void
464 * @throws Exception
465 */
466 public void update(String propertyName,Object value,String conditionName,Object conditionValue)throws CustomException
467 {
468 Class baseClass;
469 try
470 {
471 baseClass = Class.forName(BeanUtil.getParamType(this.getClass()).replace("class ", ""));
472 }
473 catch (ClassNotFoundException e)
474 {
475 throw new CustomException(this.getClass()+"没有泛型! 或者没有重写 getBaseClass() method");
476 }
477 this.update(propertyName, value,conditionName,conditionValue,baseClass);
478 }
479
480 /**
481 * @Description: 修改 修改字段,修改值,条件字段，条件值
482 * @param 修改字段,修改值,条件字段，条件值
483 * @param c
484 * @return void
485 * @throws Exception
486 */
487 public void update(String propertyName,Object value,String conditionName,Object conditionValue,Class c)throws CustomException
488 {
489 StringBuffer hql = new StringBuffer();
490 hql.append(" update ").append(c.getSimpleName()).append(" ");
491 hql.append(" set ").append(propertyName).append(" = ? ");
492 hql.append(" where 1=1 and ").append(conditionName).append(" = ? ");
493 this.getCurrentSession().createQuery(hql.toString()).setParameter(0, value).setParameter(1, conditionValue).executeUpdate();
494 }
495
496 /**
497 * @Description: 批量修改 修改字段,修改值,条件字段，条件值
498 * @param 修改字段,修改值,条件字段，条件值
499 * @param c
500 * @return void
501 * @throws Exception
502 */
503 public void update(String propertyName,Object value,String conditionName,Object[] conditionValue,Class c)
504 {
505 for (Object id:conditionValue)
506 {
507 this.update(propertyName, value, conditionName, id);
508 }
509 }
510
511 @Override
512 public String saveObjId(T object) throws CustomException {
513 // TODO Auto-generated method stub
514 return (String)this.getCurrentSession().save(object);
515 }
516
517 public static String getParamType(Class c){
518 if (null != c ) {
519 ParameterizedType type = (ParameterizedType)c.getGenericSuperclass();
520 if (null != type.getActualTypeArguments() && type.getActualTypeArguments().length>0) {
521 return BeanUtil.toString(type.getActualTypeArguments());
522 }
523 }
524 return "";
525 }
526
527 }
1 package com.utils;
2
3 import java.util.ArrayList;
4 import java.util.List;
5
6 /**
7 * 查询参数对象
8 * @ClassName QueryParam
9 * @Description:TODO(这里用一句话描述这个类的作用)
10 */
11 public final class QueryParam {
12
13 public final static String AND = "and";
14
15 public final static String OR = "or";
16
17 public final static String NOT = "not";
18
19 public final static String OPERATOR_EQ = "=";
20
21 public final static String OPERATOR_BT = "bt";
22
23 public final static String OPERATOR_NE = "!=";
24
25 public final static String OPERATOR_NE_ANSINULL_OFF = "!=%";
26
27 public final static String OPERATOR_GE = ">=";
28
29 public final static String OPERATOR_GT = ">";
30
31 public final static String OPERATOR_NGE = "!>=";
32
33 public final static String OPERATOR_NGT = "!>";
34
35 public final static String OPERATOR_LE = "<=";
36
37 public final static String OPERATOR_LT = "<";
38
39 public final static String OPERATOR_NLE = "!<=";
40
41 public final static String OPERATOR_NLT = "!<";
42
43 public final static String OPERATOR_LIKE = "like";
44
45 public final static String OPERATOR_LEFTLIKE = "llike";
46
47 public final static String OPERATOR_RIGHTLIKE = "rlike";
48
49 public final static String OPERATOR_NLIKE = "!like";
50
51 public final static String OPERATOR_NLEFTLIKE = "!llike";
52
53 public final static String OPERATOR_NRIGHTLIKE = "!rlike";
54
55 public final static String OPERATOR_INCLUDE = "include";
56
57 public final static String OPERATOR_NINCLUDE = "!include";
58
59 public final static String OPERATOR_ILIKE = "ilike";
60
61 public final static String OPERATOR_NILIKE = "!ilike";
62
63 public final static String OPERATOR_IINCLUDE = "iinclude";
64
65 public final static String OPERATOR_NIINCLUDE = "!iinclude";
66
67 public final static String OPERATOR_IS = "is";
68
69 public final static String OPERATOR_NIS = "!is";
70
71 public final static String OPERATOR_IN = "in";
72
73 public final static String OPERATOR_NIN = "!in";
74
75 public final static String OPERATOR_NOTIN = "not in";
76
77 public final static String OPERATOR_EXIST = "exists";
78
79 public final static String OPERATOR_NEXIST = "not exists";
80
81 public final static String FETCH = "fetch";
82
83 private String name; //实体属性名，对应请求的键
84
85 private Object value; //查询参数，对应请求的值
86
87 private String operator = OPERATOR_EQ;//操作符，对应包含“_op”键的值
88
89 private List<QueryParam> andParams = new ArrayList<QueryParam>(0);
90 private List<QueryParam> orParams = new ArrayList<QueryParam>(0);
91 private List<QueryParam> notParams = new ArrayList<QueryParam>(0);
92
93 public QueryParam() {
94
95 }
96
97 /**
98 *
99 * @Title QueryParam
100 * @Description TODO(这里用一句话描述这个方法的作用)
101 * @param name 查询实体的属性名
102 * @param operator 操作符，从请求包含“_op”的键中获取的值
103 * @param value 查询实体属性名所对应的键值
104 * @throws
105 */
106 public QueryParam(String name, String operator, Object value) {
107 if (OPERATOR_LIKE.equals(operator)||OPERATOR_NLIKE.equals(operator)) {
108 value = "%"+value+"%";
109 }
110 if(OPERATOR_IS.equals(operator) || OPERATOR_NIS.equals(operator)) {
111 value=null;
112 }
113 if (null == value || "".equals(value)) {
114 if (OPERATOR_EQ.equals(operator)) {
115 operator = OPERATOR_IS;
116 } else if (OPERATOR_NE.equals(operator)) {
117 operator = OPERATOR_NIS;
118 }
119 } else {
120 if (OPERATOR_IS.equals(operator)) {
121 operator = OPERATOR_EQ;
122 } else if (OPERATOR_NIS.equals(operator)) {
123 operator = OPERATOR_NE;
124 }
125 }
126 if (OPERATOR_IN.equals(operator) || OPERATOR_NIN.equals(operator)) {
127 //value = value.toString().replaceAll(",", "‘,‘");
128 }
129 if (OPERATOR_EXIST.equals(operator) || OPERATOR_NEXIST.equals(operator)) {
130 value = value.toString().replaceAll(",", "‘,‘");
131 }
132 this.name = name;
133 this.value = value;
134 this.operator = operator;
135 this.validateOperator();
136 }
137
138 public void and(QueryParam queryParam) {
139 andParams.add(queryParam);
140 }
141
142 public void or(QueryParam queryParam) {
143 orParams.add(queryParam);
144 }
145
146 public void not(QueryParam queryParam) {
147 notParams.add(queryParam);
148 }
149
150 public String getName() {
151 return name;
152 }
153
154 public String getOperator() {
155 return operator;
156 }
157
158 public Object getValue() {
159 return value;
160 }
161
162 //检查操作符是否有效
163 private void validateOperator() {
164 if(this.operator.startsWith("not")){
165 if(OPERATOR_NEXIST.equals(this.operator))
166 return;
167 if(OPERATOR_NOTIN.equals(this.operator))
168 return;
169 }else if (this.operator.startsWith("!")) {
170 if (this.operator.endsWith("%"))
171 return;
172 if (OPERATOR_NE.equals(this.operator))
173 return;
174 if (OPERATOR_NGE.equals(this.operator))
175 return;
176 if (OPERATOR_NGT.equals(this.operator))
177 return;
178 if (OPERATOR_NLE.equals(this.operator))
179 return;
180 if (OPERATOR_NLT.equals(this.operator))
181 return;
182 if (OPERATOR_NLIKE.equals(this.operator))
183 return;
184 if (OPERATOR_NLEFTLIKE.equals(this.operator))
185 return;
186 if (OPERATOR_NRIGHTLIKE.equals(this.operator))
187 return;
188 if (OPERATOR_NINCLUDE.equals(this.operator))
189 return;
190 if (OPERATOR_NILIKE.equals(this.operator))
191 return;
192 if (OPERATOR_NIINCLUDE.equals(this.operator))
193 return;
194 if (OPERATOR_NIS.equals(this.operator))
195 return;
196 if (OPERATOR_NIN.equals(this.operator))
197 return;
198 } else {
199 if (OPERATOR_EQ.equals(this.operator))
200 return;
201 if (OPERATOR_GE.equals(this.operator))
202 return;
203 if (OPERATOR_GT.equals(this.operator))
204 return;
205 if (OPERATOR_LE.equals(this.operator))
206 return;
207 if (OPERATOR_LT.equals(this.operator))
208 return;
209 if (OPERATOR_LIKE.equals(this.operator))
210 return;
211 if (OPERATOR_LEFTLIKE.equals(this.operator))
212 return;
213 if (OPERATOR_RIGHTLIKE.equals(this.operator))
214 return;
215 if (OPERATOR_INCLUDE.equals(this.operator))
216 return;
217 if (OPERATOR_ILIKE.equals(this.operator))
218 return;
219 if (OPERATOR_IINCLUDE.equals(this.operator))
220 return;
221 if (OPERATOR_IS.equals(this.operator))
222 return;
223 if (OPERATOR_IN.equals(this.operator))
224 return;
225 if (FETCH.equals(this.operator))
226 return;
227 if (OPERATOR_BT.equals(this.operator))
228 return;
229 if(OPERATOR_EXIST.equals(this.operator))
230 return;
231 }
232 throw new RuntimeException ("The operator " + this.operator + " could be incorrect!");
233 }
234
235 public List<QueryParam> getAndParams() {
236 return andParams;
237 }
238
239 public List<QueryParam> getNotParams() {
240 return notParams;
241 }
242
243 public List<QueryParam> getOrParams() {
244 return orParams;
245 }
246
247 }
