feat: 初始化项目并提交一次代码

services/plot.py

@@ -0,0 +1,31 @@
+import matplotlib
+
+matplotlib.use("Agg")
+
+import matplotlib.pyplot as plt
+from matplotlib import font_manager
+import config
+import logging
+
+logging.getLogger("matplotlib").setLevel(logging.WARNING)
+
+# 从字体文件创建字体对象
+FONT = font_manager.FontProperties(fname=config.FONT_PATH)
+
+# 负号修复
+plt.rcParams["axes.unicode_minus"] = False
+
+
+def plot_line(times, values, title, ylabel, out_path):
+    plt.figure(figsize=(8, 4))
+    plt.plot(times, values, marker="o")
+
+    plt.title(title, fontproperties=FONT)
+    plt.xlabel("时间", fontproperties=FONT)
+    plt.ylabel(ylabel, fontproperties=FONT)
+
+    plt.xticks(rotation=45, fontproperties=FONT)
+    plt.grid(True)
+    plt.tight_layout()
+    plt.savefig(out_path, dpi=150)
+    plt.close()