我需要在我的 SQL 查询中添加 if 条件。我想出了这个解决方案,但它不起作用,我不知道为什么。
local.platformId = arguments.platformId ? "AND platforms.id = #arguments.platformId#" : "";
local.pages = new Query(dataSource=variables.wheels.class.connection.datasource);
local.pages.setSQL
("
SELECT COUNT(games.id) AS totalRecords
FROM games
INNER JOIN platforms ON games.platformId = platforms.id
WHERE 0=0
:platform
");
local.pages.addParam(name="platform", cfsqltype="CF_SQL_VARCHAR", value=local.platformId);
local.pages = local.pages.execute().getResult();
我收到以下错误:
You have an error in your SQL syntax; check ... near ''AND platforms.id = 1' ''' at line 6
知道如何绕过这个限制并仍然确保 SQL 注入(inject)的安全性吗?
最佳答案
我喜欢为此使用 savecontent:
savecontent variable="local.sql"{
WriteOutput("
SELECT COUNT(games.id) AS totalRecords
FROM games
INNER JOIN platforms ON games.platformId = platforms.id
WHERE 0=0
");
(arguments.platformId)
? WriteOutput("AND platforms.id = :platform")
: WriteOutput("");
}
local.pages = new Query(dataSource=variables.wheels.class.connection.datasource);
local.pages.setSQL(local.sql);
if (arguments.platformId){
local.pages.addParam(name="platform", cfsqltype="CF_SQL_VARCHAR", value=arguments.platformId);
}
local.pages = local.pages.execute().getResult();
关于sql - CFScript 中的动态 SQL,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5907377/