java.lang.Object
- org.springframework.jdbc.core.SqlParameter

直接已知子类:
ResultSetSupportingSqlParameter, SqlParameterValue, SqlReturnUpdateCount
```
public class SqlParameter
extends Object
```
Object to represent a SQL parameter definition.
Parameters may be anonymous, in which case "name" is null. However, all parameters must define a SQL type according to Types.
作者:
Rod Johnson, Thomas Risberg, Juergen Hoeller
另请参阅:
Types

构造器概要

构造器
构造器	说明
`SqlParameter(int sqlType)`	Create a new anonymous SqlParameter, supplying the SQL type.
`SqlParameter(int sqlType, int scale)`	Create a new anonymous SqlParameter, supplying the SQL type.
`SqlParameter(int sqlType, String typeName)`	Create a new anonymous SqlParameter, supplying the SQL type.
`SqlParameter(String name, int sqlType)`	Create a new SqlParameter, supplying name and SQL type.
`SqlParameter(String name, int sqlType, int scale)`	Create a new SqlParameter, supplying name and SQL type.
`SqlParameter(String name, int sqlType, String typeName)`	Create a new SqlParameter, supplying name and SQL type.
`SqlParameter(SqlParameter otherParam)`	Copy constructor.

方法概要

所有方法静态方法实例方法具体方法
修饰符和类型	方法	说明
`String`	`getName()`	Return the name of the parameter, or `null` if anonymous.
`Integer`	`getScale()`	Return the scale of the parameter, if any.
`int`	`getSqlType()`	Return the SQL type of the parameter.
`String`	`getTypeName()`	Return the type name of the parameter, if any.
`boolean`	`isInputValueProvided()`	Return whether this parameter holds input values that should be set before execution even if they are `null`.
`boolean`	`isResultsParameter()`	Return whether this parameter is an implicit return parameter used during the results processing of `CallableStatement.getMoreResults/getUpdateCount`.
`static List<SqlParameter>`	`sqlTypesToAnonymousParameterList(int... types)`	Convert a list of JDBC types, as defined in `java.sql.Types`, to a List of SqlParameter objects as used in this package.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - SqlParameter
```
public SqlParameter(int sqlType)
```
    Create a new anonymous SqlParameter, supplying the SQL type.
    参数:
    sqlType - SQL type of the parameter according to java.sql.Types
  - SqlParameter
```
public SqlParameter(int sqlType,
                    String typeName)
```
    Create a new anonymous SqlParameter, supplying the SQL type.
    参数:
    sqlType - SQL type of the parameter according to java.sql.Types
    typeName - the type name of the parameter (optional)
  - SqlParameter
```
public SqlParameter(int sqlType,
                    int scale)
```
    Create a new anonymous SqlParameter, supplying the SQL type.
    参数:
    sqlType - SQL type of the parameter according to java.sql.Types
    scale - the number of digits after the decimal point (for DECIMAL and NUMERIC types)
  - SqlParameter
```
public SqlParameter(String name,
                    int sqlType)
```
    Create a new SqlParameter, supplying name and SQL type.
    参数:
    name - name of the parameter, as used in input and output maps
    sqlType - SQL type of the parameter according to java.sql.Types
  - SqlParameter
```
public SqlParameter(String name,
                    int sqlType,
                    String typeName)
```
    Create a new SqlParameter, supplying name and SQL type.
    参数:
    name - name of the parameter, as used in input and output maps
    sqlType - SQL type of the parameter according to java.sql.Types
    typeName - the type name of the parameter (optional)
  - SqlParameter
```
public SqlParameter(String name,
                    int sqlType,
                    int scale)
```
    Create a new SqlParameter, supplying name and SQL type.
    参数:
    name - name of the parameter, as used in input and output maps
    sqlType - SQL type of the parameter according to java.sql.Types
    scale - the number of digits after the decimal point (for DECIMAL and NUMERIC types)
  - SqlParameter
```
public SqlParameter(SqlParameter otherParam)
```
    Copy constructor.
    参数:
    otherParam - the SqlParameter object to copy from
- 方法详细资料
  - getName
```
public String getName()
```
    Return the name of the parameter, or null if anonymous.
  - getSqlType
```
public int getSqlType()
```
    Return the SQL type of the parameter.
  - getTypeName
```
public String getTypeName()
```
    Return the type name of the parameter, if any.
  - getScale
```
public Integer getScale()
```
    Return the scale of the parameter, if any.
  - isInputValueProvided
```
public boolean isInputValueProvided()
```
    Return whether this parameter holds input values that should be set before execution even if they are null.
    This implementation always returns true.
  - isResultsParameter
```
public boolean isResultsParameter()
```
    Return whether this parameter is an implicit return parameter used during the results processing of CallableStatement.getMoreResults/getUpdateCount.
    This implementation always returns false.
  - sqlTypesToAnonymousParameterList
```
public static List<SqlParameter> sqlTypesToAnonymousParameterList(int... types)
```
    Convert a list of JDBC types, as defined in java.sql.Types, to a List of SqlParameter objects as used in this package.

类 SqlParameter

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

SqlParameter

SqlParameter

SqlParameter

SqlParameter

SqlParameter

SqlParameter

SqlParameter

方法详细资料

getName

getSqlType

getTypeName

getScale

isInputValueProvided

isResultsParameter

sqlTypesToAnonymousParameterList