语句 语句

语句 避免在 return 语句中出现赋值语句 function sum ( a , b ) { return result = a + b // ✗ 错误 } 禁止使用 with with ( val ) {...} // ✗ 错误 不要使用标签语句 label ...

create collectionspace drop collectionspace create collection drop collection create index drop index list collectionspaces list collections insert into select update de...

语句 if 语句 switch 语句 for 语句 while 语句 语句 if 语句 在 WXS 中，可以使用以下格式的 if 语句 ： if (expression) statement ： 当 expression 为 truthy 时，执行 statement 。 if (expression) statement1...

语句 Tip 通常每个语句应该独占一行 不过, 如果测试结果与测试语句在一行放得下, 你也可以将它们放在同一行. 如果是if语句, 只有在没有else时才能这样做. 特别地, 绝不要对 try/except 这样做, 因为try和except不能放在同一行. Yes :   if foo : bar ( foo...

语句（Statements） 循环语句 loop-statement For-In 语句 for-in-statement While 语句 while-statement condition-clause condition case-condition optional-binding-condition Repeat-While 语...

WITH 语句 WITH 语句 Batch Streaming WITH provides a way to write auxiliary statements for use in a larger query. These statements, which are often referred to as Common Table Expr...

流语句 表语句

WITH 语句 WITH 语句 Batch Streaming WITH provides a way to write auxiliary statements for use in a larger query. These statements, which are often referred to as Common Table Exp...