double :数据类型保留两位小数,不足补0,满10进1<span style="white-space:pre"> </span>
<span style="white-space:pre"> </span>double d = 12.2289;
java.text.DecimalFormat df = new java.text.DecimalFormat("#.00");
System.out.println(df.format(d));
double :数据类型保留两位小数,不足补0,满10进1<span style="white-space:pre"> </span>
<span style="white-space:pre"> </span>double d = 12.2289;
java.text.DecimalFormat df = new java.text.DecimalFormat("#.00");
System.out.println(df.format(d));