摘要： stringstr1 =string.Format("{0:N1}",56789); //result: 56,789.0 stringstr2 =string.Format("{0:N2}",56789); //result: 56,789.00 stringstr3 =string.Format("{0:N3}",56789); //result: 56,789.000 stringstr8 =string.Format("{0:F1}",56789); //result: 56789.0 stringstr9 =string.Format("{0:F2}",56789); //result: 56789.00 stringstr11 =(56789 / 100.0).ToString("#.##"); //result: 567.89 stringstr12 =(56789 阅读全文