使用 for 迴圈執行並行疊代
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
平行執行迴圈疊代,縮短端對端執行時間。系統會在每次疊代中更新共用變數。
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[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],[],null,["# Perform parallel iteration using for loops\n\nExecutes loop iterations in parallel to reduce the end-to-end execution time. A shared variable is updated in each iteration.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Parallel steps](/workflows/docs/reference/syntax/parallel-steps)\n\nCode sample\n-----------\n\n### YAML\n\n main:\n params: [args]\n steps:\n - init:\n assign:\n - total: 0\n - countComments:\n parallel:\n shared: [total] # allows child branch to write to this variable\n for:\n value: postId\n in: ${args.posts}\n steps:\n - getPostCommentCount:\n call: http.get\n args:\n url: ${\"https://example.com/postComments/\" + postId}\n result: numComments\n - add:\n assign:\n - total: ${total + numComments}\n - done:\n return: ${total}\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=workflows)."]]