Latex三线表绘制横线

目前遇到两种方式

1. \toprule \midrule \bottomrule

\usepackage{booktabs}

 \begin{table*}[htb]
\caption{Table caption} \label{t1}
\begin{tabular}{ll d{1.3} d{1.3} d{1.3} d{1.3} d{1.3} d{1.3}}
\toprule
Dataset&Models&\multicolumn{1}{l}{$\alpha_1$}&
\multicolumn{1}{l}{$\alpha_2$}&
\multicolumn{1}{l}{$\alpha_3$}&
\multicolumn{1}{l}{$\alpha_4$}&
\multicolumn{1}{l}{$\alpha_5$}&
\multicolumn{1}{l}{$\alpha_6$}\\
 \midrule
CSDS&Linear     &0.164&0.22&0.123&0.3&0.200&0.258\\
& Logistic      &0.189&0.155&0.157&0.201&0.154&0.144\\[6pt]
KCDS&Linear     &0.155&0.183&0.160&0.218&0.176&0.156\\
& Logistic      &0.187&0.125&0.151&0.184&0.187&0.125\\
\bottomrule
\end{tabular}
\end{table*}

1. \hline

\usepackage{longtable}

 \begin{table*}[htb]
\caption{Table caption} \label{t1}
\begin{tabular}{ll d{1.3} d{1.3} d{1.3} d{1.3} d{1.3} d{1.3}}
\hline
Dataset&Models&\multicolumn{1}{l}{$\alpha_1$}&
\multicolumn{1}{l}{$\alpha_2$}&
\multicolumn{1}{l}{$\alpha_3$}&
\multicolumn{1}{l}{$\alpha_4$}&
\multicolumn{1}{l}{$\alpha_5$}&
\multicolumn{1}{l}{$\alpha_6$}\\
\hline
CSDS&Linear     &0.164&0.22&0.123&0.3&0.200&0.258\\
& Logistic      &0.189&0.155&0.157&0.201&0.154&0.144\\[6pt]
KCDS&Linear     &0.155&0.183&0.160&0.218&0.176&0.156\\
& Logistic      &0.187&0.125&0.151&0.184&0.187&0.125\\
\hline
\end{tabular}
\end{table*}

两种方式结果都如下：