DecimalFormat nf = new DecimalFormat("##0.##");
System.out.println(nf.format(1254.56789));
System.out.println(nf.format(1254));
System.out.println(nf.format(.56789));
System.out.println(nf.format(0));
output:1254.57
1254
0.57
System.out.println(nf.format(1254.56789));
System.out.println(nf.format(1254));
System.out.println(nf.format(.56789));
System.out.println(nf.format(0));
output:1254.57
1254
0.57
解决方案 »
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