谢谢，运行成功了，这下搞清楚了$bqr与$bqsr的不同，
<?php
$in=0;
$chu=0;
$jin=0;
$year=0;
$ecms_bq_sql=sys_ReturnEcmsLoopBq("SELECT SUM(shue) AS `ru`, YEAR(riqi) AS `nian` FROM phome_ecms_hyz WHERE classid =2 GROUP BY nian ORDER BY `nian` ASC",20,24,0);
$bqno=0;
while($bqr=$empire->fetch($ecms_bq_sql))
{
$b=sys_ReturnEcmsLoopStext($bqr);
$bqno++;
echo "<br>";
$year=$bqr[nian];
echo "在".$year."年";
$in=$bqr[ru];
$in1=$in/10000;
$ecms_bq_sql2=sys_ReturnEcmsLoopBq("SELECT SUM(shue) AS `chu` FROM phome_ecms_hyz WHERE classid =3 and YEAR(riqi)='$year'",20,24,0);
$bqno2=0;
while($bqr2=$empire->fetch($ecms_bq_sql2))
{
$bqsr2=sys_ReturnEcmsLoopStext($bqr2);
$bqno2++;
$chu=$bqr2[chu];
$chu1=$chu/10000;
$jin=($in - $chu)/10000;
echo "净收益为：".$jin."万元。<br>";
echo "其中收入是".$in1."万元，支出是".$chu1."万元。<br>";
echo "________________________<br>";
}
}
?>
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2021-07-25 07:05:05 
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