public void getToStringSTR(){

        Field[] fs = this.getClass().getDeclaredFields();

        for (int i = 0; i < fs.length; i++) {

        }

        List<String> fsnames = new ArrayList<String>();

        for(int i = 0 ; i <fs.length ; i ++ ){

            if(!fs[i].getName().endsWith("serialVersionUID")){

                fsnames.add(fs[i].getName());

            }

        }

        StringBuffer sb = new StringBuffer();

        //属性个数为0

        if(fs.length==0){

            sb.append("return this.getClass().getName() +\"【");

            sb.append("】\";");

        }

        //属性个数大于0

        if(fs.length>0){

            sb.append("return this.getClass().getName() +\"【");

            //属性个数为1

            if(fsnames.size()==1){

                sb.append(""+fsnames.get(0)+"=\"+"+fsnames.get(0)+"");

                sb.append("+\"】\";");

            }

            //属性个数大于1

            if(fsnames.size()>1){

                for (int j = 0; j < fs.length; j++) {

                    if(j<fs.length-1){

                        sb.append(""+fsnames.get(j)+"=\"+"+fsnames.get(j)+"+\",");

                    }

                    if(j==fsnames.size()-1){

                        sb.append(""+fsnames.get(j)+"=\"+"+fsnames.get(j)+"");

                        sb.append("+\"】\";");

                    }

                }

            }

        }

        System.out.println("public String toString(){");

        System.out.println("    "+sb);

        System.out.println("}");

    }

    public static void main(String[] args) {

        new User().getToStringSTR();
    }