ml.shifu.guagua.util
类 NumberFormatUtils

java.lang.Object
  ml.shifu.guagua.util.NumberFormatUtils

public final class NumberFormatUtils
extends Object

Util class to parse int, long or any other type.

方法摘要

static double	getDouble(String str) Parse string object to double type.
static double	getDouble(String str, boolean required) Parse string object to double type.
static double	getDouble(String str, boolean required, double defaultValue) Parse string object to double type.
static double	getDouble(String str, double defaultValue) Parse string object to double type.
static int	getInt(String str) Parse string object to int type.
static int	getInt(String str, boolean required) Parse string object to int type.
static int	getInt(String str, boolean required, int defaultValue) Parse string object to int type.
static int	getInt(String str, int defaultValue) Parse string object to int type.
static long	getLong(String str) Parse string object to long type.
static long	getLong(String str, boolean required) Parse string object to long type.
static long	getLong(String str, boolean required, long defaultValue) Parse string object to long type.
static long	getLong(String str, long defaultValue) Parse string object to long type.

从类 java.lang.Object 继承的方法

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细信息

getInt

public static int getInt(String str,
                         int defaultValue)

Parse string object to int type.

参数：

str - string needed to be parsed

defaultValue - default value

getInt

public static int getInt(String str)

Parse string object to int type. If invalid format, use 0 to replace.

参数：

str - string needed to be parsed

getInt

public static int getInt(String str,
                         boolean required)

Parse string object to int type.

参数：

str - string needed to be parsed

required - if required, should be parsed successfully without default value to replace; else use 0 as default value.

抛出：

Exception - if invalid format with required set 'true'

getInt

public static int getInt(String str,
                         boolean required,
                         int defaultValue)

Parse string object to int type.

参数：

str - string needed to be parsed

required - if required, should be parsed successfully without default value to replace; else use default value.

defaultValue - default value

抛出：

Exception - if invalid format with required set 'true'

getLong

public static long getLong(String str,
                           long defaultValue)

Parse string object to long type.

参数：

str - string needed to be parsed

defaultValue - default value

getLong

public static long getLong(String str)

Parse string object to long type. If invalid format, use 0 to replace.

参数：

str - string needed to be parsed

getLong

public static long getLong(String str,
                           boolean required)

Parse string object to long type. If invalid format, use 0 to replace.

参数：

str - string needed to be parsed

required - if required, should be parsed successfully without default value to replace

抛出：

Exception - if invalid format with required set 'true'

getLong

public static long getLong(String str,
                           boolean required,
                           long defaultValue)

Parse string object to long type.

参数：

str - string needed to be parsed

required - if required, should be parsed successfully without default value to replace; else use default value.

defaultValue - default value

抛出：

Exception - if invalid format with required set 'true'

getDouble

public static double getDouble(String str,
                               double defaultValue)

Parse string object to double type.

参数：

str - string needed to be parsed

defaultValue - default value

getDouble

public static double getDouble(String str)

Parse string object to double type. If invalid format, use 0 to replace.

参数：

str - string needed to be parsed

getDouble

public static double getDouble(String str,
                               boolean required)

Parse string object to double type. If invalid format, use 0 to replace.

参数：

str - string needed to be parsed

required - if required, should be parsed successfully without default value to replace

抛出：

Exception - if invalid format with required set 'true'

getDouble

public static double getDouble(String str,
                               boolean required,
                               double defaultValue)

Parse string object to double type.

参数：

str - string needed to be parsed

required - if required, should be parsed successfully without default value to replace; else use default value.

defaultValue - default value

抛出：

Exception - if invalid format with required set 'true'