[单发接口](%E5%8D%95%E5%8F%91%E6%8E%A5%E5%8F%A3.md) [群发接口](%E7%BE%A4%E5%8F%91%E6%8E%A5%E5%8F%A3.md) [无参数单发接口](%E6%97%A0%E5%8F%82%E6%95%B0%E5%8D%95%E5%8F%91%E6%8E%A5%E5%8F%A3.md) [代码示例](%E4%BB%A3%E7%A0%81%E7%A4%BA%E4%BE%8B.md)