/**
* 根据多个id 查询数据
*
* @param <T>
* @param ids 整形的id数组
* @param c 要查询的表信息
* @return List
*/
public <T> List<T> searchByIds(Class<T> c, int[] ids, String orderby) {
Entity<T> entity = dao.getEntity(c);
String id = entity.getIdField().getColumnName();
return dao.query(c, Cnd.where(id, "in", ids).desc(orderby), null);
}
/**
* 根据指定的字段模糊分页查询数据 记录总数
*
* @param <T>
* @param c 查询的表
* @param fieldName 字段名称
* @param value 模糊条件
* @param currentPage 当前页码
* @param pageSize 每页数据量
* @return List
*/
public <T> int searchByPageLike(Class<T> c, String fieldName, String value) {
Entity<T> entity = dao.getEntity(c);
String column = entity.getField(fieldName).getColumnName();
return dao.count(c, Cnd.where(column, "LIKE", "%" + value + "%"));
}
/**
* 根据多个id 查询数据条数
*
* @param <T>
* @param ids 要查询的id,多个用","（逗号）分隔
* @param c 要查询的表信息
* @return List
*/
public <T> int searchByIdsCount(Class<T> c, String ids, String orderby) {
Entity<T> entity = dao.getEntity(c);
String id = entity.getIdField().getColumnName();
String sql = " " + id + " in (" + ids + ") order by " + orderby + " desc";
return dao.count(c, Cnd.wrap(sql));
}
/**
* 根据多个id 查询数据
*
* @param <T>
* @param ids 要查询的id,多个用","（逗号）分隔
* @param c 要查询的表信息
* @return List
*/
public <T> List<T> searchByIds(Class<T> c, String ids, String orderby) {
Entity<T> entity = dao.getEntity(c);
String id = entity.getIdField().getColumnName();
String sql = " " + id + " in (" + ids + ") order by " + orderby + " desc";
return dao.query(c, Cnd.wrap(sql), null);
}
/**
* 根据某个条件分页查询数据
*
* @param <T>
* @param c 查询的表
* @param fieldName 匹配字段名
* @param value 匹配的值
* @param currentPage 当前页码
* @param pageSize 每页数据量
* @return List
*/
public <T> List<T> searchByPage(
Class<T> c, String fieldName, String value, int currentPage, int pageSize) {
Entity<T> entity = dao.getEntity(c);
String column = entity.getField(fieldName).getColumnName();
Pager pager = dao.createPager(currentPage, pageSize);
return dao.query(c, Cnd.where(column, "=", value), pager);
}
/**
* 根据多个id删除数据
*
* @param <T>
* @param c 要操作的表信息
* @param ids 要删除的id,多个用","（逗号）分隔
* @return true 成功,false 失败
*/
public <T> void deleteByIds(Class<T> c, String ids) {
Entity<T> entity = dao.getEntity(c);
String table = entity.getTableName();
String id = entity.getIdField().getColumnName();
Sql sql = Sqls.create("delete from " + table + " where " + id + " in(" + ids + ")");
dao.execute(sql);
}
/**
* 根据多个id 查询数据并且分页
*
* @param <T>
* @param ids 要查询的id,多个用","（逗号）分隔
* @param c 要查询的表信息
* @return List
*/
public <T> int searchByIdsCount(
Class<T> c, String ids, String orderby, int currentPage, int pageSize) {
// Pager pager = dao.createPager(currentPage, pageSize);
Entity<T> entity = dao.getEntity(c);
String id = entity.getIdField().getColumnName();
String sql = " " + id + " in (" + ids + ") order by " + orderby + " desc ";
return dao.query(c, Cnd.wrap(sql), null).size();
}
/**
* 根据多个id 查询数据并且分页
*
* @param <T>
* @param ids 要查询的id,多个用","（逗号）分隔
* @param c 要查询的表信息
* @return List
*/
public <T> List<T> searchByIdsFenye(
Class<T> c, String ids, String orderby, int currentPage, int pageSize) {
// Pager pager = dao.createPager(currentPage, pageSize);
Entity<T> entity = dao.getEntity(c);
String id = entity.getIdField().getColumnName();
String sql =
" "
+ id
+ " in ("
+ ids
+ ") order by "
+ orderby
+ " desc limit "
+ (currentPage - 1) * pageSize
+ ", "
+ pageSize
+ "";
return dao.query(c, Cnd.wrap(sql), null);
}
/** 根据Pojo生成数据字典,zdoc格式 */
public static StringBuilder dataDict(DataSource ds, String... packages) {
StringBuilder sb = new StringBuilder();
List<Class<?>> ks = new ArrayList<Class<?>>();
for (String packageName : packages) {
ks.addAll(Scans.me().scanPackage(packageName));
}
Iterator<Class<?>> it = ks.iterator();
while (it.hasNext()) {
Class<?> klass = it.next();
if (klass.getAnnotation(Table.class) == null) it.remove();
}
// log.infof("Found %d table class", ks.size());
JdbcExpert exp = Jdbcs.getExpert(ds);
NutDao dao = new NutDao(ds);
Method evalFieldType;
try {
evalFieldType = exp.getClass().getDeclaredMethod("evalFieldType", MappingField.class);
} catch (Throwable e) {
throw Lang.wrapThrow(e);
}
evalFieldType.setAccessible(true);
Entity<?> entity = null;
String line = "-------------------------------------------------------------------\n";
sb.append("#title:数据字典\n");
sb.append("#author:wendal\n");
sb.append("#index:0,1\n").append(line);
for (Class<?> klass : ks) {
sb.append(line);
entity = dao.getEntity(klass);
sb.append("表名 ").append(entity.getTableName()).append("\n\n");
if (!Strings.isBlank(entity.getTableComment()))
sb.append("表注释: ").append(entity.getTableComment());
sb.append("\t").append("Java类名 ").append(klass.getName()).append("\n\n");
sb.append("\t||序号||列名||数据类型||主键||非空||默认值||java属性名||java类型||注释||\n");
int index = 1;
for (MappingField field : entity.getMappingFields()) {
String dataType;
try {
dataType = (String) evalFieldType.invoke(exp, field);
} catch (Throwable e) {
throw Lang.wrapThrow(e); // 不可能发生的
}
sb.append("\t||")
.append(index++)
.append("||")
.append(field.getColumnName())
.append("||")
.append(dataType)
.append("||")
.append(field.isPk())
.append("||")
.append(field.isNotNull())
.append("||")
.append(field.getDefaultValue(null) == null ? " " : field.getDefaultValue(null))
.append("||")
.append(field.getName())
.append("||")
.append(field.getTypeClass().getName())
.append("||")
.append(field.getColumnComment() == null ? " " : field.getColumnComment())
.append("||\n");
}
}
return sb;
}