java基本类型间转化辅助类

来源：互联网发布：java 方法重写有什么用编辑：程序博客网时间：2024/06/04 18:11
1、代码如下
package com.smart.framework.utils;/** * Created with IntelliJ IDEA. * Description: * 2017-08-01-16:46 */public class CastUtil {    public  static  String castString(Object object){        return CastUtil.castString(object,"");    }    /**     * 把一个其他类型转化为字符串，如果类型为空，那么为默认值。     * @param object     * @param defaultValue     * @return     */    public  static  String castString(Object object,String defaultValue){        return object!=null?String.valueOf(object):defaultValue;    }    /**     * 转化为double     * 1、先转为string     * 2、在转化为double     * 3、如果出现异常，把转化结果指定为默认值。     * @param object     * @return     */    public  static  double castDouble(Object object){        return CastUtil.castDouble(object,0);    }    public  static  double castDouble(Object object,double defaultValue){        double doubleValue=defaultValue;        if (object!=null){            String strValue=castString(object);            if (StringUtil.isNotEmpty(strValue)){                try {                    doubleValue=Double.parseDouble(strValue);                }catch (NumberFormatException e){                    doubleValue =defaultValue;                }            }        }        return doubleValue;    }    public  static  long castLong(Object object){        return CastUtil.castLong(object,0);    }    public  static  long castLong(Object object,long defaultValue){        long longValue=defaultValue;        if (object!=null){            String strValue=castString(object);            if (StringUtil.isNotEmpty(strValue)){                try {                    longValue=Long.parseLong(strValue);                }catch (NumberFormatException e){                    longValue =defaultValue;                }            }        }        return longValue;    }    public  static  int castInt(Object object){        return CastUtil.castInt(object,0);    }    public  static  int castInt(Object object,int defaultValue){        int intValue=defaultValue;        if (object!=null){            String strValue=castString(object);            if (StringUtil.isNotEmpty(strValue)){                try {                    intValue=Integer.parseInt(strValue);                }catch (NumberFormatException e){                    intValue =defaultValue;                }            }        }        return intValue;    }    public  static  boolean castBoolean(Object object){        return CastUtil.castBoolean(object,false);    }    public  static  boolean castBoolean(Object object,boolean defaultValue){        boolean booleanValue=defaultValue;        if (object!=null){            booleanValue=Boolean.parseBoolean(castString(object));        }        return booleanValue;    }}
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