135 lines
12 KiB
HTML
135 lines
12 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>Tabelle</title>
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<link type="text/css" rel="stylesheet" href="../fpdf.css">
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</head>
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<body>
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<h1>Tabelle</h1>
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Questo tutorial mostra modalità differenti per creare tabelle.
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<div class="source">
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<pre><code><?php
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<span class="kw">require(</span><span class="str">'fpdf.php'</span><span class="kw">);
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class </span>PDF <span class="kw">extends </span>FPDF
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<span class="kw">{
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</span><span class="cmt">// Load data
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</span><span class="kw">function </span>LoadData<span class="kw">(</span>$file<span class="kw">)
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{
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</span><span class="cmt">// Read file lines
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</span>$lines <span class="kw">= </span>file<span class="kw">(</span>$file<span class="kw">);
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</span>$data <span class="kw">= array();
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foreach(</span>$lines <span class="kw">as </span>$line<span class="kw">)
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</span>$data<span class="kw">[] = </span>explode<span class="kw">(</span><span class="str">';'</span><span class="kw">,</span>trim<span class="kw">(</span>$line<span class="kw">));
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return </span>$data<span class="kw">;
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}
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</span><span class="cmt">// Simple table
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</span><span class="kw">function </span>BasicTable<span class="kw">(</span>$header<span class="kw">, </span>$data<span class="kw">)
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{
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</span><span class="cmt">// Header
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</span><span class="kw">foreach(</span>$header <span class="kw">as </span>$col<span class="kw">)
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>40<span class="kw">,</span>7<span class="kw">,</span>$col<span class="kw">,</span>1<span class="kw">);
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</span>$<span class="kw">this-></span>Ln<span class="kw">();
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</span><span class="cmt">// Data
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</span><span class="kw">foreach(</span>$data <span class="kw">as </span>$row<span class="kw">)
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{
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foreach(</span>$row <span class="kw">as </span>$col<span class="kw">)
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>40<span class="kw">,</span>6<span class="kw">,</span>$col<span class="kw">,</span>1<span class="kw">);
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</span>$<span class="kw">this-></span>Ln<span class="kw">();
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}
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}
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</span><span class="cmt">// Better table
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</span><span class="kw">function </span>ImprovedTable<span class="kw">(</span>$header<span class="kw">, </span>$data<span class="kw">)
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{
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</span><span class="cmt">// Column widths
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</span>$w <span class="kw">= array(</span>40<span class="kw">, </span>35<span class="kw">, </span>40<span class="kw">, </span>45<span class="kw">);
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</span><span class="cmt">// Header
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</span><span class="kw">for(</span>$i<span class="kw">=</span>0<span class="kw">;</span>$i<span class="kw"><</span>count<span class="kw">(</span>$header<span class="kw">);</span>$i<span class="kw">++)
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>$i<span class="kw">],</span>7<span class="kw">,</span>$header<span class="kw">[</span>$i<span class="kw">],</span>1<span class="kw">,</span>0<span class="kw">,</span><span class="str">'C'</span><span class="kw">);
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</span>$<span class="kw">this-></span>Ln<span class="kw">();
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</span><span class="cmt">// Data
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</span><span class="kw">foreach(</span>$data <span class="kw">as </span>$row<span class="kw">)
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{
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>0<span class="kw">],</span>6<span class="kw">,</span>$row<span class="kw">[</span>0<span class="kw">],</span><span class="str">'LR'</span><span class="kw">);
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>1<span class="kw">],</span>6<span class="kw">,</span>$row<span class="kw">[</span>1<span class="kw">],</span><span class="str">'LR'</span><span class="kw">);
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>2<span class="kw">],</span>6<span class="kw">,</span>number_format<span class="kw">(</span>$row<span class="kw">[</span>2<span class="kw">]),</span><span class="str">'LR'</span><span class="kw">,</span>0<span class="kw">,</span><span class="str">'R'</span><span class="kw">);
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>3<span class="kw">],</span>6<span class="kw">,</span>number_format<span class="kw">(</span>$row<span class="kw">[</span>3<span class="kw">]),</span><span class="str">'LR'</span><span class="kw">,</span>0<span class="kw">,</span><span class="str">'R'</span><span class="kw">);
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</span>$<span class="kw">this-></span>Ln<span class="kw">();
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}
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</span><span class="cmt">// Closing line
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>array_sum<span class="kw">(</span>$w<span class="kw">),</span>0<span class="kw">,</span><span class="str">''</span><span class="kw">,</span><span class="str">'T'</span><span class="kw">);
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}
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</span><span class="cmt">// Colored table
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</span><span class="kw">function </span>FancyTable<span class="kw">(</span>$header<span class="kw">, </span>$data<span class="kw">)
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{
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</span><span class="cmt">// Colors, line width and bold font
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</span>$<span class="kw">this-></span>SetFillColor<span class="kw">(</span>255<span class="kw">,</span>0<span class="kw">,</span>0<span class="kw">);
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</span>$<span class="kw">this-></span>SetTextColor<span class="kw">(</span>255<span class="kw">);
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</span>$<span class="kw">this-></span>SetDrawColor<span class="kw">(</span>128<span class="kw">,</span>0<span class="kw">,</span>0<span class="kw">);
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</span>$<span class="kw">this-></span>SetLineWidth<span class="kw">(</span>.3<span class="kw">);
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</span>$<span class="kw">this-></span>SetFont<span class="kw">(</span><span class="str">''</span><span class="kw">,</span><span class="str">'B'</span><span class="kw">);
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</span><span class="cmt">// Header
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</span>$w <span class="kw">= array(</span>40<span class="kw">, </span>35<span class="kw">, </span>40<span class="kw">, </span>45<span class="kw">);
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for(</span>$i<span class="kw">=</span>0<span class="kw">;</span>$i<span class="kw"><</span>count<span class="kw">(</span>$header<span class="kw">);</span>$i<span class="kw">++)
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>$i<span class="kw">],</span>7<span class="kw">,</span>$header<span class="kw">[</span>$i<span class="kw">],</span>1<span class="kw">,</span>0<span class="kw">,</span><span class="str">'C'</span><span class="kw">,</span>true<span class="kw">);
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</span>$<span class="kw">this-></span>Ln<span class="kw">();
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</span><span class="cmt">// Color and font restoration
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</span>$<span class="kw">this-></span>SetFillColor<span class="kw">(</span>224<span class="kw">,</span>235<span class="kw">,</span>255<span class="kw">);
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</span>$<span class="kw">this-></span>SetTextColor<span class="kw">(</span>0<span class="kw">);
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</span>$<span class="kw">this-></span>SetFont<span class="kw">(</span><span class="str">''</span><span class="kw">);
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</span><span class="cmt">// Data
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</span>$fill <span class="kw">= </span>false<span class="kw">;
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foreach(</span>$data <span class="kw">as </span>$row<span class="kw">)
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{
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>0<span class="kw">],</span>6<span class="kw">,</span>$row<span class="kw">[</span>0<span class="kw">],</span><span class="str">'LR'</span><span class="kw">,</span>0<span class="kw">,</span><span class="str">'L'</span><span class="kw">,</span>$fill<span class="kw">);
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>1<span class="kw">],</span>6<span class="kw">,</span>$row<span class="kw">[</span>1<span class="kw">],</span><span class="str">'LR'</span><span class="kw">,</span>0<span class="kw">,</span><span class="str">'L'</span><span class="kw">,</span>$fill<span class="kw">);
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>2<span class="kw">],</span>6<span class="kw">,</span>number_format<span class="kw">(</span>$row<span class="kw">[</span>2<span class="kw">]),</span><span class="str">'LR'</span><span class="kw">,</span>0<span class="kw">,</span><span class="str">'R'</span><span class="kw">,</span>$fill<span class="kw">);
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>$w<span class="kw">[</span>3<span class="kw">],</span>6<span class="kw">,</span>number_format<span class="kw">(</span>$row<span class="kw">[</span>3<span class="kw">]),</span><span class="str">'LR'</span><span class="kw">,</span>0<span class="kw">,</span><span class="str">'R'</span><span class="kw">,</span>$fill<span class="kw">);
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</span>$<span class="kw">this-></span>Ln<span class="kw">();
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</span>$fill <span class="kw">= !</span>$fill<span class="kw">;
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}
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</span><span class="cmt">// Closing line
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</span>$<span class="kw">this-></span>Cell<span class="kw">(</span>array_sum<span class="kw">(</span>$w<span class="kw">),</span>0<span class="kw">,</span><span class="str">''</span><span class="kw">,</span><span class="str">'T'</span><span class="kw">);
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}
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}
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</span>$pdf <span class="kw">= new </span>PDF<span class="kw">();
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</span><span class="cmt">// Column headings
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</span>$header <span class="kw">= array(</span><span class="str">'Country'</span><span class="kw">, </span><span class="str">'Capital'</span><span class="kw">, </span><span class="str">'Area (sq km)'</span><span class="kw">, </span><span class="str">'Pop. (thousands)'</span><span class="kw">);
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</span><span class="cmt">// Data loading
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</span>$data <span class="kw">= </span>$pdf<span class="kw">-></span>LoadData<span class="kw">(</span><span class="str">'countries.txt'</span><span class="kw">);
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</span>$pdf<span class="kw">-></span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span>14<span class="kw">);
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</span>$pdf<span class="kw">-></span>AddPage<span class="kw">();
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</span>$pdf<span class="kw">-></span>BasicTable<span class="kw">(</span>$header<span class="kw">,</span>$data<span class="kw">);
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</span>$pdf<span class="kw">-></span>AddPage<span class="kw">();
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</span>$pdf<span class="kw">-></span>ImprovedTable<span class="kw">(</span>$header<span class="kw">,</span>$data<span class="kw">);
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</span>$pdf<span class="kw">-></span>AddPage<span class="kw">();
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</span>$pdf<span class="kw">-></span>FancyTable<span class="kw">(</span>$header<span class="kw">,</span>$data<span class="kw">);
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</span>$pdf<span class="kw">-></span>Output<span class="kw">();
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</span>?></code></pre>
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</div>
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<p class='demo'><a href='tuto5.php' target='_blank' class='demo'>[Demo]</a></p>
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Dato che una tabella è solo un'insieme di celle, è naturale costruirne una da esse. Il primo
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esempio è praticato con l'approccio più basilare possibile: semplici celle con bordi, tutte alla stessa dimensione
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e allineate a sinistra. Il risultato è rudimentale ma veloce da ottenere.
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<br>
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<br>
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La seconda tabella porta alcune migliorie: ogni colonna ha una sua larghezza, intestazione e sono centrate,
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numerate e allineate a destra. In più, sono state rimosse le righe orizzontali. Questo si fa attraverso
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il parametro <code>border</code> del metodo <a href='../doc/cell.htm'>Cell()</a> che specifica quali lati della cella debbano essere
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disegnati. Qui vogliamo il lato sinistro (<code>L</code>) e destro (<code>R</code>). Rimane il
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problema della linea orizzontale per finire la tabella. Ci sono due possibilità: sia
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controllare quando si arriva all'ultima riga del ciclo, in questo caso utilizzare <code>LRB</code> per il parametro <code>border</code>
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or, come è stato fatto qui, aggiungere la riga quando finisce il ciclo.
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<br>
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<br>
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La terza tabella è simile alla seconda ma usa i colori. I colori di riempimento, del testo, e della linea
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sono semplicemente specificati. L'alternaggio della colorazione delle righe è ottenuto alternando trasparenza
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e colorazione delle celle.
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</body>
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</html>
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