Dou Zi Workflow Simple Configuration from Input to URL Retrieval
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A simple loop workflow example using Sora2, from input text and uploaded images to finally obtaining the URL (the following is the overall diagram)
I. Getting Started
II. Request Model (Add HTTP Node)
1.
2.
3.
III. Process Request Result to Obtain taskId (Add Code Node)
Use code to parse the body and obtain the id within it (in this example, the code language chosen is JavaScript, as shown below)
async function main({ params }: Args): Promise<Output> {
// 1. Get the body string from params.input
// Note: Here we assume params.input is the entire HTTP response object
const bodyStr = params.input;
// 2. Parse the string format body into a JSON object
// Since the value of body is a string "{\"id\":...}", JSON.parse is needed
let taskId = "";
try {
const bodyObj = JSON.parse(bodyStr);
taskId = bodyObj.id;
} catch (e) {
// Prevent parsing failure from causing runtime errors
console.log("JSON parsing failed:", e);
}
// 3. Build the output object and return taskId
const ret = {
"taskId": taskId
};
return ret;
}IV. Loop Request Query Interface to Obtain URL (Add Loop Node)
1. Set up the loop (in this example, an infinite loop is used and exits based on judgment conditions). Configure as needed.
Output the URL and status.
2. Add an HTTP node in the loop to request the query task
3. Add a code node to obtain the URL and task status
async function main({ params }: Args): Promise<Output> {
// 1. Get the body string from params.input
const bodyStr = params.input;
// 2. Parse the string format body into a JSON object
let url = "";
let status = "";
try {
const bodyObj = JSON.parse(bodyStr);
url = bodyObj.video_url;
status = bodyObj.status;
} catch (e) {
// Prevent parsing failure from causing runtime errors
console.log("JSON parsing failed:", e);
}
// 3. Build the output object and return taskId
const ret = {
"url": url,
"status": status
};
return ret;
}4. Add a judgment node to determine whether the query has obtained the URL
The second branch checks whether the status is failed.
5. Execute based on the judgment results
Add a timer node and a continue loop node. When both judgments of the judgment node are false, first execute the timer (to prevent request concurrency from causing request failures, it is recommended to set it to 1500ms). Connect the continue loop after the timer.
V. Process the Results Obtained from the Loop (Add a Code Node)
The input is the result output from the loop.
async function main({ params }: Args): Promise<Output> {
// Get the input
const urls = params.urls;
const statuss = params.statuss;
// 3. Build the output object and return taskId
const ret = {
"url": urls[urls?.length -1],
"status": statuss[statuss?.length -1]
};
return ret;
}VI. Determine Whether the URL Has a Value to Confirm Whether Video Generation Succeeded or Failed
VII. Final Output Result
VIII. Implementation Result
Modified at 2026-03-06 15:34:52