/**
* 获得数据库中所有表的集合
*
* @param DBName 数据库名，区分大小写
* @return
* @throws Exception
*/
public static List<Table> getTables(String DBName) throws Exception {
String sql =
"select TABLE_SCHEMA,TABLE_NAME,COLUMN_NAME,COLUMN_DEFAULT,"
+ "IS_NULLABLE,DATA_TYPE,COLUMN_TYPE,COLUMN_KEY,COLUMN_COMMENT "
+ "from information_schema.columns where table_schema = '"
+ DBName
+ "'";
PreparedStatement ps = DBUtil.getPS(sql);
ResultSet rs = ps.executeQuery();
List<Table> list = new ArrayList<Table>();
List<TableStructure> colNames = new ArrayList<TableStructure>();
String tableName = "";
while (rs.next()) {
TableStructure ts = new TableStructure();
java.lang.reflect.Field[] fields = ts.getClass().getDeclaredFields();
for (java.lang.reflect.Field f : fields) {
Type type = f.getType();
String name = f.getName();
Method m = ts.getClass().getDeclaredMethod("set" + MyUtil.initcap(name), (Class<?>) type);
m.invoke(ts, rs.getString(name));
}
if (!tableName.equalsIgnoreCase(ts.getTable_name()) && tableName != "") {
Table table = new Table();
table.setDBName(DBName);
table.setName(tableName);
table.setTableStructures(colNames);
list.add(table);
colNames = new ArrayList<TableStructure>();
}
colNames.add(ts);
tableName = ts.getTable_name();
}
DBUtil.closeCon();
return list;
}
// 新版开始
private void getColumn(String tableName, Object... className) throws Exception {
String sql =
"select TABLE_SCHEMA,TABLE_NAME,COLUMN_NAME,COLUMN_DEFAULT,"
+ "IS_NULLABLE,DATA_TYPE,COLUMN_TYPE,COLUMN_KEY,COLUMN_COMMENT "
+ "from information_schema.columns where table_name='"
+ tableName
+ "' and table_schema = '"
+ DBName
+ "'";
PreparedStatement ps = DBUtil.getPS(sql);
ResultSet rs = ps.executeQuery();
while (rs.next()) {
TableStructure ts = new TableStructure();
java.lang.reflect.Field[] fields = ts.getClass().getDeclaredFields();
for (java.lang.reflect.Field f : fields) {
Type type = f.getType();
String name = f.getName();
Method m = ts.getClass().getDeclaredMethod("set" + MyUtil.initcap(name), (Class<?>) type);
m.invoke(ts, rs.getString(name));
}
colNames.add(ts);
}
giveValue(tableName, className);
DBUtil.closeCon();
}
