为什么 CFTHREAD 在循环中恢复局部变量值？

Question

在循环中创建线程时，似乎每个线程都覆盖前一个线程。这是一些伪代码：

<cfscript>
LOCAL.Items=[
    "ABC",
    "DEF",
    "GHI",
    "JKL",
    "MNO",
    "PQR",
    "STU",
    "VWX",
    "YZ"];

for (LOCAL.item in LOCAL.Items) {
    writeoutput(LOCAL.item & "<br />");
}

for (LOCAL.item in LOCAL.Items) {
    thread name="items-#LOCAL.item#" action="run" {
        writelog(text=LOCAL.item, type="information", file="thread-test");
    }
}
</cfscript>

第一个循环的输出：

ABC
DEF
GHI
JKL
MNO
PQR
STU
VWX
YZ

（如预期）

thread-test.log 中的数据：

"Information","cfthread-23","03/11/24","13:18:40","MNO"
"Information","cfthread-28","03/11/24","13:18:40","YZ"
"Information","cfthread-23","03/11/24","13:18:40","YZ"
"Information","cfthread-28","03/11/24","13:18:40","YZ"
"Information","cfthread-23","03/11/24","13:18:40","YZ"
"Information","cfthread-28","03/11/24","13:18:40","YZ"
"Information","cfthread-23","03/11/24","13:18:40","YZ"
"Information","cfthread-28","03/11/24","13:18:40","YZ"
"Information","cfthread-23","03/11/24","13:18:40","YZ"

不应该唯一地命名每个线程创建一个唯一的线程并使用

LOCAL.item

的当前值吗？

我在这里缺少什么？

Answer 1

做了更多研究，发现 cfthread/thread 可以接受自定义属性，这些属性可以通过 ATTRIBUTES 范围访问。这似乎有效：

for (LOCAL.item in LOCAL.Items) {
    thread name="items-#LOCAL.item#" action="run" item=LOCAL.item {
        writelog(text=ATTRIBUTES.item & "<br />", type="information", file="thread-test");
    }
}

thread-test.log的内容：

“信息”，“cfthread-29”，“03/11/24”，“13:48:35”，“ABC” “信息”，“cfthread-31”，“03/11/24”，“13:48:35”，“GHI” “信息”，“cfthread-32”，“03/11/24”，“13:48:35”，“JKL” “信息”，“cfthread-30”，“03/11/24”，“13:48:35”，“DEF” “信息”，“cfthread-33”，“03/11/24”，“13:48:35”，“MNO” “信息”，“cfthread-33”，“03/11/24”，“13:48:35”，“STU” “信息”，“cfthread-32”，“03/11/24”，“13:48:35”，“YZ” “信息”，“cfthread-34”，“03/11/24”，“13:48:35”，“PQR” “信息”、“cfthread-30”、“03/11/24”、“13:48:35”、“VWX”