15、骂战

第(2/3)页



        037

        *@return

        038

        */

        039

        publicstaticstringformatnumber(objectobj，stringformat){

        040

        if(obj==null)

        041

        return““;

        042

        043

        strings=string.valueof(obj);

        044

        if(format==null||““.equals(format.trim())){

        045

        format=“#.00“;

        046

        }

        047

        try{

        048

        if(objinstanceofdouble||objinstanceoffloat){

        049

        if(format.contains(“%“)){

        050

        numberformatnumberformat=numberformat.getpercentinstance();

        051

        s=numberformat.format(obj);

        052

        }else{

        053

        decimalformatdecimalformat=newdecimalformat(format);

        054

        s=decimalformat.format(obj);

        055

        }

        056

        }else{

        057

        numberformatnumberformat=numberformat.getinstance();

        058

        s=numberformat.format(obj);

        059

        }

        060

        }catch(exceptione){

        061

        }

        062

        returns;

        063

        }

        064

        065

        /**

        066

        *计算字符串四则运算表达式

        067

        *@paramstring

        068

        *@return

        069

        */

        070

        pu

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