double percent = entity.getFundraisingMoney() / entity.getInvestmentProjectAll();
//輸出一下，確認你的小數無誤
System.out.println("小數：" + percent);
//獲取格式化物件
NumberFormat nt = NumberFormat.getPercentInstance();
//設定百分數精確度2即保留兩位小數
nt.setMinimumFractionDigits(2);
//最後格式化並輸出
System.out.println("百分數：" + nt.format(percent));
Log.v("lgq",".......... "+"百分數：" + nt.format(percent)+"...."+entity.getInvestmentProjectAll()+"....."+percent);
LinearLayout.LayoutParams linearParams =(LinearLayout.LayoutParams)holder.jinduteli.getLayoutParams(); //取控制元件textView當前的佈局引數
LinearLayout.LayoutParams linearParamste =(LinearLayout.LayoutParams)holder.jindute.getLayoutParams(); //取控制元件textView當前的佈局參
 

//只設置長度佔比。還可以設定width 和 height   holder.jindute 也就是被設定長度的view必須包裹在LinearLayout中
if (percent>0.1){
    linearParams.weight =(float)percent;
    linearParamste.weight =(float)percent;
}else {
    linearParams.weight =(float)0.05;
    linearParamste.weight =(float)0.1;
}
holder.jinduteli.setLayoutParams(linearParams);
holder.jindute.setLayoutParams(linearParamste);