/**
* 获取定量数据
*
* @return LEDAdSourceSet
*/
public LEDAdSourceSet getData() {
int tCount = 0;
LEDAdSourceSet tLEDAdSourceSet = new LEDAdSourceSet();
LEDAdSourceSchema tLEDAdSourceSchema = null;
if (null == mResultSet) {
CError tError = new CError();
tError.moduleName = "LEDAdSourceDB";
tError.functionName = "getData";
tError.errorMessage = "数据集为空，请先准备数据集！";
this.mErrors.addOneError(tError);
return null;
}
try {
tCount = 1;
tLEDAdSourceSchema = new LEDAdSourceSchema();
tLEDAdSourceSchema.setSchema(mResultSet, 1);
tLEDAdSourceSet.add(tLEDAdSourceSchema);
// 注意mResultSet.next()的作用
while (tCount++ < SysConst.FETCHCOUNT) {
if (mResultSet.next()) {
tLEDAdSourceSchema = new LEDAdSourceSchema();
tLEDAdSourceSchema.setSchema(mResultSet, 1);
tLEDAdSourceSet.add(tLEDAdSourceSchema);
}
}
} catch (Exception ex) {
CError tError = new CError();
tError.moduleName = "LEDAdSourceDB";
tError.functionName = "getData";
tError.errorMessage = ex.toString();
this.mErrors.addOneError(tError);
try {
mResultSet.close();
mResultSet = null;
} catch (Exception ex2) {
}
try {
mStatement.close();
mStatement = null;
} catch (Exception ex3) {
}
if (!mflag) {
try {
con.close();
} catch (Exception et) {
}
}
return null;
}
return tLEDAdSourceSet;
}
public LEDAdSourceSet executeQuery(String sql, int nStart, int nCount) {
Statement stmt = null;
ResultSet rs = null;
LEDAdSourceSet aLEDAdSourceSet = new LEDAdSourceSet();
if (!mflag) {
con = DBConnPool.getConnection();
}
try {
stmt = con.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
rs = stmt.executeQuery(StrTool.GBKToUnicode(sql));
int i = 0;
while (rs.next()) {
i++;
if (i < nStart) {
continue;
}
if (i >= nStart + nCount) {
break;
}
LEDAdSourceSchema s1 = new LEDAdSourceSchema();
if (!s1.setSchema(rs, i)) {
// @@错误处理
CError tError = new CError();
tError.moduleName = "LEDAdSourceDB";
tError.functionName = "executeQuery";
tError.errorMessage = "sql语句有误，请查看表名及字段名信息!";
this.mErrors.addOneError(tError);
}
aLEDAdSourceSet.add(s1);
}
try {
rs.close();
} catch (Exception ex) {
}
try {
stmt.close();
} catch (Exception ex1) {
}
} catch (Exception e) {
// @@错误处理
CError tError = new CError();
tError.moduleName = "LEDAdSourceDB";
tError.functionName = "executeQuery";
tError.errorMessage = e.toString();
this.mErrors.addOneError(tError);
try {
rs.close();
} catch (Exception ex2) {
}
try {
stmt.close();
} catch (Exception ex3) {
}
if (!mflag) {
try {
con.close();
} catch (Exception et) {
}
}
}
if (!mflag) {
try {
con.close();
} catch (Exception e) {
}
}
return aLEDAdSourceSet;
}
public LEDAdSourceSet query(int nStart, int nCount) {
Statement stmt = null;
ResultSet rs = null;
LEDAdSourceSet aLEDAdSourceSet = new LEDAdSourceSet();
if (!mflag) {
con = DBConnPool.getConnection();
}
try {
stmt = con.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
SQLString sqlObj = new SQLString("LEDAdSource");
LEDAdSourceSchema aSchema = this.getSchema();
sqlObj.setSQL(5, aSchema);
String sql = sqlObj.getSQL();
rs = stmt.executeQuery(sql);
int i = 0;
while (rs.next()) {
i++;
if (i < nStart) {
continue;
}
if (i >= nStart + nCount) {
break;
}
LEDAdSourceSchema s1 = new LEDAdSourceSchema();
s1.setSchema(rs, i);
aLEDAdSourceSet.add(s1);
}
try {
rs.close();
} catch (Exception ex) {
}
try {
stmt.close();
} catch (Exception ex1) {
}
} catch (Exception e) {
// @@错误处理
CError tError = new CError();
tError.moduleName = "LEDAdSourceDB";
tError.functionName = "query";
tError.errorMessage = e.toString();
this.mErrors.addOneError(tError);
try {
rs.close();
} catch (Exception ex2) {
}
try {
stmt.close();
} catch (Exception ex3) {
}
if (!mflag) {
try {
con.close();
} catch (Exception et) {
}
}
}
if (!mflag) {
try {
con.close();
} catch (Exception e) {
}
}
return aLEDAdSourceSet;
}