importjava.util.*;
classgongzi{
publicstaticvoidmain(String[]args){
Scannerkb=newScanner(System.in);
intn=kb.nextInt();
Stringname="";
doubled=0;
doublee=0;
doubleg=0;
doublek=0;
for(inti=0;i<n;i++){
name=kb.next();
d=kb.nextDouble();
e=kb.nextDouble();
g=kb.nextDouble();
k=e+d-g;
}
kb.close();
System.out.printf("%s,Salaryis:%.2f+%.2f-%.2f=%.2f%n",name,d,e,g,k);
}
}
B. PHP从mysql中取出多组数据 如何加入数组中并转成jsON数组
$arr=array();
$rs=mysql_query("select*from`table`");
while($row=mysql_fetch_array($rs)){
$arr[]=$row;
}
//现在数组就是二维数组了想输出json的话就
echojson_encode($arr);