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2190
## 我的问题
\backgroundsetup 命令的各项参数请教
\usepackage{background}
\usepackage{tikz}
\backgroundsetup{
position = {0,0},
opacity = 0.3,
placement = bottom,
angle = 0,
scale = 1,
contents = \tikzgrid
}
\def\tikzgrid{
\begin{tikzpicture}
\filldraw [help lines, step=5mm, line width=1pt, cyan]
(0cm,0cm) grid (\paperwidth,\paperheight);
\end{tikzpicture}
}
