Texpad 带网格作图

\documentclass[8pt]{article}
\usepackage{CJKutf8}
\usepackage{tikz-dependency}
\begin{document}
\begin{CJK}{UTF8}{gbsn}
每天做做图\\
\begin{tikzpicture}
\draw[help lines] (-1,-1)grid (3,3);    
\draw[blue] (0,0) -| (2,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
\draw[help lines] (-1,-1)grid (3,3);    
\fill[green] (0,0)-|(2,2);
\end{tikzpicture}
\quad
\begin{tikzpicture}
\draw[help lines] (-1,-1)grid (3,3);    
\filldraw[green] (0,0)-|(2,2);
\end{tikzpicture}
\\

\end{CJK}
    
\end{document}

结果

Texpad 带网格作图