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老师您好,后台处理数据:
package hexyy;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
import javax.naming.NamingException;
import com.alibaba.fastjson.JSONObject;
import com.justep.baas.action.ActionContext;
import com.justep.baas.data.DataUtils;
import com.justep.baas.data.Table;
import com.justep.baas.data.Transform;
import com.justep.baas.data.sql.SQLException;
public class ZuZJG {
//验证用户登录信息
public static JSONObject QueryZuZJGAction(JSONObject params, ActionContext context) throws SQLException, NamingException, java.sql.SQLException {
List<Object> sqlParams = new ArrayList<Object>();
Table table = null;
Connection conn = context.getConnection("HeXYY");
try {
String sql = "select fID,tfMingC,tfLeiB,tfLuJ,tfFuJD,tfYongHXXID from TZuZJG ";
table = DataUtils.queryData(conn, sql, null, null, null, null);
table.setIDColumn("fID");
JSONObject tableJSON = Transform.tableToTreeJson(table, "tfFuJD");
return tableJSON;
// return Transform.tableToJson(table);
} finally {
conn.close();
}
}
}
运行时报错:请问是什么原因,谢谢。
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