import aircv as ac
import cv2
from common.tools import get_project_path, file_sep, get_now_date_time_str
from common.report_add_img import add_img_path_2_report
class FindImg:
    def img_imread(self, img_path):
        img = ac.imread(img_path)
        if img is None:
            print(f"未能读取图片: {img_path}")
        return img
    def is_image_read(self, img):
        """
        判断图片是否成功读取
        :param img: 图片对象
        :return: 成功读取返回 True，否则返回 False
        """
        return img is not None
    def get_confidence(self, source_path, search_path):
        """
        查找图片
        :param source_path: 原图路径
        :param search_path: 需要查找的图片的路径
        :return:
        """
        img_src = self.img_imread(source_path)
        img_sch = self.img_imread(search_path)
        if not self.is_image_read(img_src) or not self.is_image_read(img_sch):
            print("图片读取失败，无法进行匹配。")
            return None
        result = ac.find_template(img_src, img_sch)
        print(result)
        if result is None:
            print("未找到匹配的模板。")
            return None
        # cv2.rectangle 这个函数的作用是在图像上绘制一个简单的矩形。
        cv2.rectangle(
            img_src, result["rectangle"][0], result["rectangle"][3], (255, 0, 0), 2
        )
        diff_img_path = get_project_path() + file_sep(["img", "diff_img", get_now_date_time_str() + "-对比的图.png"],
                                                      add_sep_before=True)
        cv2.imencode(".png", img_src)[1].tofile(diff_img_path)
        add_img_path_2_report(diff_img_path, "查找到的图")
        return result["confidence"]
if __name__ == '__main__':
    # 项目名：mumu_pytestSelenium
    source_path = get_project_path() + file_sep(["img", "source_img", "head_img.png"], add_sep_before=True)
    search_path = get_project_path() + file_sep(["img", "assert_img", "head_img.png"], add_sep_before=True)
    FindImg().get_confidence(source_path, search_path)
    print()
    # 使用绝对路径
    s = "D:\\Software\python\\test\\mumu_pytestSelenium\\img\\assert_img\\head_img.png"
    d = "D:\\Software\python\\test\\mumu_pytestSelenium\img\\source_img\\head_img.png"
    FindImg().get_confidence(s, d)
返回结果
D:\Software\python\py_3.11\python.exe D:\Software\python\test\mumu_pytestSelenium\common\find_img.py 
None
未找到匹配的模板。
None
未找到匹配的模板。
Process finished with exit code 0
下面的是assert_img下的图片
![](/uploads/photo/2025/18c15008-c3ec-438d-96a1-11f6c02d4c5c.png!large)
下面的是source_img的图片
![](/uploads/photo/2025/9179bdb2-e304-4f1a-877a-852c3fab192d.png!large)

为什么返回的是 None 呢？