这段代码怎么改成C#代码?或者谁来解释一下?
- PHP code
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->function querySub(&$parent, $table, $orderBy = null, $key = 'Id'){ $sql = "SELECT * FROM $table WHERE $key = $parent[$key]"; if($orderBy) { $sql .= ' ORDER BY '.$orderBy; } $rows = query($sql); foreach ($rows as $i => $row) { foreach ($row as $field => $value) { if($value === null) { $row[$field] = '--'; } } $rows[$i] = $row; } $parent[$table] = $rows;}
------解决方案--------------------
------解决方案--------------------
- PHP code
#运行时,必须定义一个$parent变量$parent = null;#函数的参数:#&$parent: 表字段值的数组#$table: 查询的表名#$orderBy: 需要排序的字段#$key: 作为查询条件的字段名,默认为Idfunction querySub(&$parent, $table, $orderBy = null, $key = 'Id'){ #查询的sql语句 $sql = "SELECT * FROM $table WHERE $key = $parent[$key]"; #如果添加了排序字段 if($orderBy) { #在$sql后面添加排序的sql语句 $sql .= ' ORDER BY '.$orderBy; } #执行sql语句并将结果集返回给$rows $rows = query($sql); #对$rows做循环 foreach ($rows as $i => $row) { #对$rows的子数组做循环 foreach ($row as $field => $value) { #如果子数组中存在空值 if($value === null) { #将空值替换成"--" $row[$field] = '--'; } } #重组数组 $rows[$i] = $row; } #将重组后的数组存入$parent数组,并以表名作为其键值 $parent[$table] = $rows;}<div class="clear"> </div>

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