csv 文件格式
<code><span>"数据1"</span>,<span>"数据2"</span>,<span>"数据3"</span><span>"数据4"</span>,<span>"数据5"</span>,<span>"数据6"</span></code>
?将二维数组存为 csv 文件fputcsv()
<code><span>$csv_arr</span> = ( <span>array</span>(<span>1</span>,<span>2</span>,<span>3</span>,<span>4</span>), <span>array</span>(<span>5</span>,<span>6</span>,<span>7</span>,<span>8</span>), <span>array</span>(<span>12</span>,<span>34</span>,<span>56</span>,<span>78</span>) ); <span>$fh</span> = fopen(<span>'test.csv'</span>,<span>'w'</span>) <span>or</span><span>die</span>(<span>"can't open file test.csv"</span>); <span>foreach</span>(<span>$csv_arr</span><span>as</span><span>$csv_arr_line</span>){ <span>if</span>(fputcsv(<span>$fh</span>,<span>$csv_arr_line</span>) === <span>false</span>){ <span>die</span>(‘can not write test.csv !’); } } fclose(<span>$fh</span>) <span>or</span><span>die</span>(<span>"can not close test.csv !"</span>);</code>
想输出 csv 格式的数据 php://output
<code><span>$csv_arr</span> = ( <span>array</span>(<span>1</span>,<span>2</span>,<span>3</span>,<span>4</span>), <span>array</span>(<span>5</span>,<span>6</span>,<span>7</span>,<span>8</span>), <span>array</span>(<span>12</span>,<span>34</span>,<span>56</span>,<span>78</span>) ); <span>$fh</span> = fopen(<span>'php://output'</span>,<span>'w'</span>); <span>foreach</span>(<span>$csv_arr</span><span>as</span><span>$csv_arr_line</span>){ <span>if</span>(fputcsv(<span>$fh</span>,<span>$csv_arr_line</span>) === <span>false</span>){ <span>die</span>(‘can not write csv line !’); } } fclose(<span>$fh</span>);</code>
?想将 csv 格式的数据存到字符串中 ob buffer
<code><span>$csv_arr</span> = ( <span>array</span>(<span>1</span>,<span>2</span>,<span>3</span>,<span>4</span>), <span>array</span>(<span>5</span>,<span>6</span>,<span>7</span>,<span>8</span>), <span>array</span>(<span>12</span>,<span>34</span>,<span>56</span>,<span>78</span>) ); ob_start(); <span>$fh</span> = fopen(<span>'test.csv'</span>,<span>'w'</span>) <span>or</span><span>die</span>(<span>"can't open php://output"</span>); <span>foreach</span>(<span>$csv_arr</span><span>as</span><span>$csv_arr_line</span>){ <span>if</span>(fputcsv(<span>$fh</span>,<span>$csv_arr_line</span>) === <span>false</span>){ <span>die</span>(‘can not write csv line !’); } } fclose(<span>$fh</span>) <span>or</span><span>die</span>(<span>"can not close php://output !"</span>); <span>$output</span> = ob_get_contents(); ob_end_clean();</code>
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