public String render(String str) {
byte[] b = [serialize str]
client.sendRequest(b, new Callback<byte[]>() {
@Override
public void onDone(byte[] data) {
String res = [convert data back to String]
// TODO: return this string in the outer function
});
return "???";
}
但我得到错误
答案 0 :(得分:2)
将sp_executesql与输出参数
一起使用DECLARE @countnumber int = 0
SET @sqlCommand = 'Set @countnumber = (SELECT count(*) from dsnv)'
exec sp_executesql @sqlCommand, N'@countnumber int OUTPUT', @countnumber OUTPUT
print @countnumber ;