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终于成功了 小庆祝一下public String cutHeads(String mm) //去掉String首部的 空格 和 0
{
for(int i=0;i<=100;i++){
if(mm.startsWith(" "))
mm=mm.substring(1);
if((mm.length()==2||mm.length()==1)&&mm.startsWith("0")&&mm.endsWith("0"))
{
mm="0";
continue;
};
if(mm.startsWith("0"))
mm=mm.substring(1);
}
return mm;
}
public String cutTails(String mm) //去掉String末尾的多余的 0 和小数点
{
if(mm.indexOf(".")!=-1)
for(int i=0;i<=100;i++)
{
if(mm.endsWith("0"))
mm=mm.substring(0, mm.length()-1);
}
if(mm.endsWith("."))
if(mm.startsWith("."))
{
mm="0";
}
else
{
mm=mm.substring(0,mm.length()-1);
}
return mm;
}
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