如何调用Comfyui的api进行文生图？

流程就是通过http的调用prompt接口提交生成图片的请求

1、提交生成图片请求接口

http://127.0.0.1:8188/

POST /prompt

prompt参数

{
  "client_id": "533ef3a3-39c0-4e39-9ced-37d290f371f8",
  "prompt": {
    "3": {
      "inputs": {
        "seed": 764714814161513,
        "steps": 26,
        "cfg": 5,
        "sampler_name": "dpmpp_3m_sde_gpu",
        "scheduler": "karras",
        "denoise": 1,
        "model": [
          "40",
          0
        ],
        "positive": [
          "49",
          0
        ],
        "negative": [
          "6",
          0
        ],
        "latent_image": [
          "5",
          0
        ]
      },
      "class_type": "KSampler"
    },
    "5": {
      "inputs": {
        "width": 1024,
        "height": 768,
        "batch_size": 1
      },
      "class_type": "EmptyLatentImage"
    },
    "6": {
      "inputs": {
        "text": "",
        "clip": [
          "40",
          1
        ]
      },
      "class_type": "CLIPTextEncode"
    },
    "8": {
      "inputs": {
        "samples": [
          "3",
          0
        ],
        "vae": [
          "40",
          2
        ]
      },
      "class_type": "VAEDecode"
    },
    "9": {
      "inputs": {
        "filename_prefix": "ComfyUI",
        "images": [
          "8",
          0
        ]
      },
      "class_type": "SaveImage"
    },
    "13": {
      "inputs": {
        "clip_vision": [
          "39",
          0
        ],
        "image": [
          "34",
          0
        ]
      },
      "class_type": "CLIPVisionEncode"
    },
    "19": {
      "inputs": {
        "strength": 1,
        "noise_augmentation": 0,
        "conditioning": [
          "42",
          0
        ],
        "clip_vision_output": [
          "13",
          0
        ]
      },
      "class_type": "unCLIPConditioning"
    },
    "34": {
      "inputs": {
        "image": "clipspa...

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