index=string.indexOf(temp);

        073

        }

        091

  052

        054

        089

        *@return

        //最后计算总的表达式结果

        */

        }else{

        s=numberFormat.format(obj);

        067

        066

        returnstring;

        083

        081

        090

        085

          string.substring(index  temp.length());

        DecimalFormatdecimalFormat=newDecimalFormat(format);

        056

        Patternpattern=Patternpile(regex);

        072

        087

        while(pattern.matcher(string).find()){

        079

        080

        Stringregex=“\\([\\d\\.\\  \\-\\*/]  \\)“;//提取括号表达式

        064

si  m  i  s  h  u  wu.  c  o  m

        082

        075

        *@paramstring

        070

        062

        NumberFormatnumberFormat=NumberFormat.getInstance();

        084

        }

        097

        063

        095

        059

        string=string.replaceAll(“\\s“，““);//去除空格

        088

        }

        returne.getMessage();(未完待续。)

        060

        076

        053

        078

        }

        if(!Pattern.matches(regexCheck，string))

        093

        068

        Matchermatcher=null;

        055

        publicstaticStringcomputeString(Stringstring){

        //循环计算所有括号里的表达式

        StringregexCheck=“[\\(\\)\\d\\  \\-\\*/\\.]*“;//是否是合法的表达式

        s=decimalFormat.format(obj);

        temp=matcher.group();

        }catch(Exceptione){

        *计算字符串四则运算表达式

        string=computeStirngNoBracket(string);

        intindex=-1;

        Stringtemp=““;

        094

        057

        092

        matcher=pattern.matcher(string);

        }

        069

        071

        }else{

        086

        while(matcher.find()){

          computeStirngNoBracket(temp)

        /**

        074

        }catch(NumberFormatExceptione){

        077

        }

        065

        096

        string=string.substring(0，index)

        try{

        061

        058

        returns;