comfyui最简节点

class MyStringNode:
    @classmethod
    def INPUT_TYPES(s):
        return {
            "required": {
                "text1": ("STRING", {"default": "Hello"}),
                "text2": ("STRING", {"default": "World"}),
            }
        }

    RETURN_TYPES = ("STRING",)
    FUNCTION = "show_string"
    CATEGORY = "Examples"
    OUTPUT_NODE = True

    def show_string(self, text1, text2):
        result = text1 + text2
        print(result)
        return (result,)

NODE_CLASS_MAPPINGS = {
    "MyStringNode": MyStringNode
}
NODE_DISPLAY_NAME_MAPPINGS = {
    "MyStringNode": "Show String"
}