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QueryRunner的API

java.lang.Object
- org.apache.commons.dbutils.AbstractQueryRunner
- - org.apache.commons.dbutils.QueryRunner

```
public class QueryRunner
extends AbstractQueryRunner
```
Executes SQL queries with pluggable strategies for handling ResultSets. This class is thread safe.

See Also:
ResultSetHandler

Field Summary
- Fields inherited from class org.apache.commons.dbutils.AbstractQueryRunner
  ds

Constructor Summary

Constructors
Constructor and Description
`QueryRunner()` Constructor for QueryRunner.
`QueryRunner(boolean pmdKnownBroken)` Constructor for QueryRunner that controls the use of `ParameterMetaData`.
`QueryRunner(DataSource ds)` Constructor for QueryRunner that takes a `DataSource` to use.
`QueryRunner(DataSource ds, boolean pmdKnownBroken)` Constructor for QueryRunner that takes a `DataSource` and controls the use of `ParameterMetaData`.

Method Summary

Methods
Modifier and Type	Method and Description
`int[]`	`batch(Connection conn, String sql, Object[][] params)` Execute a batch of SQL INSERT, UPDATE, or DELETE queries.
`int[]`	`batch(String sql, Object[][] params)` Execute a batch of SQL INSERT, UPDATE, or DELETE queries.
`<T> T`	`insert(Connection conn, String sql, ResultSetHandler<T> rsh)` Execute an SQL INSERT query without replacement parameters.
`<T> T`	`insert(Connection conn, String sql, ResultSetHandler<T> rsh, Object... params)` Execute an SQL INSERT query.
`<T> T`	`insert(String sql, ResultSetHandler<T> rsh)` Executes the given INSERT SQL without any replacement parameters.
`<T> T`	`insert(String sql, ResultSetHandler<T> rsh, Object... params)` Executes the given INSERT SQL statement.
`<T> T`	`insertBatch(Connection conn, String sql, ResultSetHandler<T> rsh, Object[][] params)` Executes the given batch of INSERT SQL statements.
`<T> T`	`insertBatch(String sql, ResultSetHandler<T> rsh, Object[][] params)` Executes the given batch of INSERT SQL statements.
`<T> T`	`query(Connection conn, String sql, Object[] params, ResultSetHandler<T> rsh)` Deprecated. Use `query(Connection,String,ResultSetHandler,Object...)` instead
`<T> T`	`query(Connection conn, String sql, Object param, ResultSetHandler<T> rsh)` Deprecated. Use `query(Connection, String, ResultSetHandler, Object...)`
`<T> T`	`query(Connection conn, String sql, ResultSetHandler<T> rsh)` Execute an SQL SELECT query without any replacement parameters.
`<T> T`	`query(Connection conn, String sql, ResultSetHandler<T> rsh, Object... params)` Execute an SQL SELECT query with replacement parameters.
`<T> T`	`query(String sql, Object[] params, ResultSetHandler<T> rsh)` Deprecated. Use `query(String, ResultSetHandler, Object...)`
`<T> T`	`query(String sql, Object param, ResultSetHandler<T> rsh)` Deprecated. Use `query(String, ResultSetHandler, Object...)`
`<T> T`	`query(String sql, ResultSetHandler<T> rsh)` Executes the given SELECT SQL without any replacement parameters.
`<T> T`	`query(String sql, ResultSetHandler<T> rsh, Object... params)` Executes the given SELECT SQL query and returns a result object.
`int`	`update(Connection conn, String sql)` Execute an SQL INSERT, UPDATE, or DELETE query without replacement parameters.
`int`	`update(Connection conn, String sql, Object... params)` Execute an SQL INSERT, UPDATE, or DELETE query.
`int`	`update(Connection conn, String sql, Object param)` Execute an SQL INSERT, UPDATE, or DELETE query with a single replacement parameter.
`int`	`update(String sql)` Executes the given INSERT, UPDATE, or DELETE SQL statement without any replacement parameters.
`int`	`update(String sql, Object... params)` Executes the given INSERT, UPDATE, or DELETE SQL statement.
`int`	`update(String sql, Object param)` Executes the given INSERT, UPDATE, or DELETE SQL statement with a single replacement parameter.

Methods inherited from class org.apache.commons.dbutils.AbstractQueryRunner
close, close, close, fillStatement, fillStatementWithBean, fillStatementWithBean, getDataSource, isPmdKnownBroken, prepareConnection, prepareStatement, prepareStatement, rethrow, wrap

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - QueryRunner
```
public QueryRunner()
```
    Constructor for QueryRunner.
  - QueryRunner
```
public QueryRunner(boolean pmdKnownBroken)
```
    Constructor for QueryRunner that controls the use of ParameterMetaData.
    
    Parameters:
    pmdKnownBroken - Some drivers don't support ParameterMetaData.getParameterType(int); if pmdKnownBroken is set to true, we won't even try it; if false, we'll try it, and if it breaks, we'll remember not to use it again.
  - QueryRunner
```
public QueryRunner(DataSource ds)
```
    Constructor for QueryRunner that takes a DataSource to use. Methods that do not take a Connection parameter will retrieve connections from this DataSource.
    
    Parameters:
    ds - The DataSource to retrieve connections from.
  - QueryRunner
```
public QueryRunner(DataSource ds,
           boolean pmdKnownBroken)
```
    Constructor for QueryRunner that takes a DataSource and controls the use of ParameterMetaData. Methods that do not take a Connection parameter will retrieve connections from this DataSource.
    
    Parameters:
    ds - The DataSource to retrieve connections from.
    pmdKnownBroken - Some drivers don't support ParameterMetaData.getParameterType(int); if pmdKnownBroken is set to true, we won't even try it; if false, we'll try it, and if it breaks, we'll remember not to use it again.
- Method Detail
  - batch
```
public int[] batch(Connection conn,
          String sql,
          Object[][] params)
            throws SQLException
```
    Execute a batch of SQL INSERT, UPDATE, or DELETE queries.
    
    Parameters:
    conn - The Connection to use to run the query. The caller is responsible for closing this Connection.
    sql - The SQL to execute.
    params - An array of query replacement parameters. Each row in this array is one set of batch replacement values.
    Returns:
    The number of rows updated per statement.
    Throws:
    SQLException - if a database access error occurs
    Since:
    DbUtils 1.1
  - batch
```
public int[] batch(String sql,
          Object[][] params)
            throws SQLException
```
    Execute a batch of SQL INSERT, UPDATE, or DELETE queries. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
    
    Parameters:
    sql - The SQL to execute.
    params - An array of query replacement parameters. Each row in this array is one set of batch replacement values.
    Returns:
    The number of rows updated per statement.
    Throws:
    SQLException - if a database access error occurs
    Since:
    DbUtils 1.1
  - query
```
@Deprecated
public <T> T query(Connection conn,
                     String sql,
                     Object param,
                     ResultSetHandler<T> rsh)
        throws SQLException
```
    Deprecated. Use query(Connection, String, ResultSetHandler, Object...)
    
    Execute an SQL SELECT query with a single replacement parameter. The caller is responsible for closing the connection.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    conn - The connection to execute the query in.
    sql - The query to execute.
    param - The replacement parameter.
    rsh - The handler that converts the results into an object.
    Returns:
    The object returned by the handler.
    Throws:
    SQLException - if a database access error occurs
  - query
```
@Deprecated
public <T> T query(Connection conn,
                     String sql,
                     Object[] params,
                     ResultSetHandler<T> rsh)
        throws SQLException
```
    Deprecated. Use query(Connection,String,ResultSetHandler,Object...) instead
    
    Execute an SQL SELECT query with replacement parameters. The caller is responsible for closing the connection.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    conn - The connection to execute the query in.
    sql - The query to execute.
    params - The replacement parameters.
    rsh - The handler that converts the results into an object.
    Returns:
    The object returned by the handler.
    Throws:
    SQLException - if a database access error occurs
  - query
```
public <T> T query(Connection conn,
          String sql,
          ResultSetHandler<T> rsh,
          Object... params)
        throws SQLException
```
    Execute an SQL SELECT query with replacement parameters. The caller is responsible for closing the connection.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    conn - The connection to execute the query in.
    sql - The query to execute.
    rsh - The handler that converts the results into an object.
    params - The replacement parameters.
    Returns:
    The object returned by the handler.
    Throws:
    SQLException - if a database access error occurs
  - query
```
public <T> T query(Connection conn,
          String sql,
          ResultSetHandler<T> rsh)
        throws SQLException
```
    Execute an SQL SELECT query without any replacement parameters. The caller is responsible for closing the connection.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    conn - The connection to execute the query in.
    sql - The query to execute.
    rsh - The handler that converts the results into an object.
    Returns:
    The object returned by the handler.
    Throws:
    SQLException - if a database access error occurs
  - query
```
@Deprecated
public <T> T query(String sql,
                     Object param,
                     ResultSetHandler<T> rsh)
        throws SQLException
```
    Deprecated. Use query(String, ResultSetHandler, Object...)
    
    Executes the given SELECT SQL with a single replacement parameter. The Connection is retrieved from the DataSource set in the constructor.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    sql - The SQL statement to execute.
    param - The replacement parameter.
    rsh - The handler used to create the result object from the ResultSet.
    Returns:
    An object generated by the handler.
    Throws:
    SQLException - if a database access error occurs
  - query
```
@Deprecated
public <T> T query(String sql,
                     Object[] params,
                     ResultSetHandler<T> rsh)
        throws SQLException
```
    Deprecated. Use query(String, ResultSetHandler, Object...)
    
    Executes the given SELECT SQL query and returns a result object. The Connection is retrieved from the DataSource set in the constructor.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    sql - The SQL statement to execute.
    params - Initialize the PreparedStatement's IN parameters with this array.
    rsh - The handler used to create the result object from the ResultSet.
    Returns:
    An object generated by the handler.
    Throws:
    SQLException - if a database access error occurs
  - query
```
public <T> T query(String sql,
          ResultSetHandler<T> rsh,
          Object... params)
        throws SQLException
```
    Executes the given SELECT SQL query and returns a result object. The Connection is retrieved from the DataSource set in the constructor.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    sql - The SQL statement to execute.
    rsh - The handler used to create the result object from the ResultSet.
    params - Initialize the PreparedStatement's IN parameters with this array.
    Returns:
    An object generated by the handler.
    Throws:
    SQLException - if a database access error occurs
  - query
```
public <T> T query(String sql,
          ResultSetHandler<T> rsh)
        throws SQLException
```
    Executes the given SELECT SQL without any replacement parameters. The Connection is retrieved from the DataSource set in the constructor.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    sql - The SQL statement to execute.
    rsh - The handler used to create the result object from the ResultSet.
    Returns:
    An object generated by the handler.
    Throws:
    SQLException - if a database access error occurs
  - update
```
public int update(Connection conn,
         String sql)
           throws SQLException
```
    Execute an SQL INSERT, UPDATE, or DELETE query without replacement parameters.
    
    Parameters:
    conn - The connection to use to run the query.
    sql - The SQL to execute.
    Returns:
    The number of rows updated.
    Throws:
    SQLException - if a database access error occurs
  - update
```
public int update(Connection conn,
         String sql,
         Object param)
           throws SQLException
```
    Execute an SQL INSERT, UPDATE, or DELETE query with a single replacement parameter.
    
    Parameters:
    conn - The connection to use to run the query.
    sql - The SQL to execute.
    param - The replacement parameter.
    Returns:
    The number of rows updated.
    Throws:
    SQLException - if a database access error occurs
  - update
```
public int update(Connection conn,
         String sql,
         Object... params)
           throws SQLException
```
    Execute an SQL INSERT, UPDATE, or DELETE query.
    
    Parameters:
    conn - The connection to use to run the query.
    sql - The SQL to execute.
    params - The query replacement parameters.
    Returns:
    The number of rows updated.
    Throws:
    SQLException - if a database access error occurs
  - update
```
public int update(String sql)
           throws SQLException
```
    Executes the given INSERT, UPDATE, or DELETE SQL statement without any replacement parameters. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
    
    Parameters:
    sql - The SQL statement to execute.
    Returns:
    The number of rows updated.
    Throws:
    SQLException - if a database access error occurs
  - update
```
public int update(String sql,
         Object param)
           throws SQLException
```
    Executes the given INSERT, UPDATE, or DELETE SQL statement with a single replacement parameter. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
    
    Parameters:
    sql - The SQL statement to execute.
    param - The replacement parameter.
    Returns:
    The number of rows updated.
    Throws:
    SQLException - if a database access error occurs
  - update
```
public int update(String sql,
         Object... params)
           throws SQLException
```
    Executes the given INSERT, UPDATE, or DELETE SQL statement. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the update will not be saved.
    
    Parameters:
    sql - The SQL statement to execute.
    params - Initializes the PreparedStatement's IN (i.e. '?') parameters.
    Returns:
    The number of rows updated.
    Throws:
    SQLException - if a database access error occurs
  - insert
```
public <T> T insert(String sql,
           ResultSetHandler<T> rsh)
         throws SQLException
```
    Executes the given INSERT SQL without any replacement parameters. The Connection is retrieved from the DataSource set in the constructor.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    sql - The SQL statement to execute.
    rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
    Returns:
    An object generated by the handler.
    Throws:
    SQLException - if a database access error occurs
    Since:
    1.6
  - insert
```
public <T> T insert(String sql,
           ResultSetHandler<T> rsh,
           Object... params)
         throws SQLException
```
    Executes the given INSERT SQL statement. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the insert will not be saved.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    sql - The SQL statement to execute.
    rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
    params - Initializes the PreparedStatement's IN (i.e. '?')
    Returns:
    An object generated by the handler.
    Throws:
    SQLException - if a database access error occurs
    Since:
    1.6
  - insert
```
public <T> T insert(Connection conn,
           String sql,
           ResultSetHandler<T> rsh)
         throws SQLException
```
    Execute an SQL INSERT query without replacement parameters.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    conn - The connection to use to run the query.
    sql - The SQL to execute.
    rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
    Returns:
    An object generated by the handler.
    Throws:
    SQLException - if a database access error occurs
    Since:
    1.6
  - insert
```
public <T> T insert(Connection conn,
           String sql,
           ResultSetHandler<T> rsh,
           Object... params)
         throws SQLException
```
    Execute an SQL INSERT query.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    conn - The connection to use to run the query.
    sql - The SQL to execute.
    rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
    params - The query replacement parameters.
    Returns:
    An object generated by the handler.
    Throws:
    SQLException - if a database access error occurs
    Since:
    1.6
  - insertBatch
```
public <T> T insertBatch(String sql,
                ResultSetHandler<T> rsh,
                Object[][] params)
              throws SQLException
```
    Executes the given batch of INSERT SQL statements. The Connection is retrieved from the DataSource set in the constructor. This Connection must be in auto-commit mode or the insert will not be saved.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    sql - The SQL statement to execute.
    rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
    params - Initializes the PreparedStatement's IN (i.e. '?')
    Returns:
    The result generated by the handler.
    Throws:
    SQLException - if a database access error occurs
    Since:
    1.6
  - insertBatch
```
public <T> T insertBatch(Connection conn,
                String sql,
                ResultSetHandler<T> rsh,
                Object[][] params)
              throws SQLException
```
    Executes the given batch of INSERT SQL statements.
    
    Type Parameters:
    T - The type of object that the handler returns
    Parameters:
    conn - The connection to use to run the query.
    sql - The SQL to execute.
    rsh - The handler used to create the result object from the ResultSet of auto-generated keys.
    params - The query replacement parameters.
    Returns:
    The result generated by the handler.
    Throws:
    SQLException - if a database access error occurs
    Since:
    1.6

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原文地址：https://www.cnblogs.com/TTTTT/p/5927747.html

QueryRunner的API

Class QueryRunner

Field Summary

Fields inherited from class org.apache.commons.dbutils.AbstractQueryRunner

Constructor Summary

Method Summary

Methods inherited from class org.apache.commons.dbutils.AbstractQueryRunner

Methods inherited from class java.lang.Object

Constructor Detail

QueryRunner

QueryRunner

QueryRunner

QueryRunner

Method Detail

batch

batch

query

query

query

query

query

query

query

query

update

update

update

update

update

update

insert

insert

insert

insert

insertBatch

insertBatch