php 处理Excel 文件csv

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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