TikZ 矩形结点内添加分割线：在两行之间绘制水平线

\documentclass{article}\usepackage{tikz}\usetikzlibrary{tikzmark}\begin{document}\begin{tikzpicture}\node[rectangle, draw=black, line width=1pt, align=left] (A) at (0,0) {\nodepart{one} value1:int \ \tikzmark{line}\ \nodepart{two} \ \nodepart{three} value2:double \ \nodepart{four} value3:string};\draw (pic cs:line) -- ++(1.5,0);\end{tikzpicture}\end{document}