1.最好用xml的格式做模板。

2.图片也可以替换，改类库
public function setImg( $strKey, $img){

    $strKey = '${'.$strKey.'}';
    
    $relationTmpl = '<Relationship Id="RID" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/image" Target="media/IMG"/>';
    $imgTmpl = '<w:pict><v:shape type="#_x0000_t75" style="position:absolute;left:0;text-align:left;margin-left:MLpt;margin-top:MTpt;width:WIDpx;height:HEIpx"><v:imagedata r:id="RID" o:title=""/></v:shape></w:pict>';

    $toAdd = $toAddImg = $toAddType = '';
    $aSearch = array('RID', 'IMG');
    $aSearchType = array('IMG', 'EXT');
    $countrels=$this->_countRels++;
    //I'm work for jpg files, if you are working with other images types -> Write conditions here
    $imgExt = 'jpg';
    $imgName = 'img' . $countrels . '.' . $imgExt;

    $this->zipClass->deleteName('word/media/' . $imgName);
    $this->zipClass->addFile($img['src'], 'word/media/' . $imgName);

    $typeTmpl = '<Override PartName="/word/media/'.$imgName.'" ContentType="image/EXT"/>';

    $rid = 'rId' . $countrels;
    $countrels++;
    list($w,$h) = getimagesize($img['src']);

    if(isset($img['swh'])) //Image proportionally larger side
    {
        if($w<=$h)
        {
           $ht=(int)$img['swh'];
           $ot=$w/$h;
           $wh=(int)$img['swh']*$ot;
           $wh=round($wh);
        }
        if($w>=$h)
        {
           $wh=(int)$img['swh'];
           $ot=$h/$w;
           $ht=(int)$img['swh']*$ot;
           $ht=round($ht);
        }
        $w=$wh;
        $h=$ht;
    }

    if(isset($img['size']))
    {
        $w = $img['size'][0];
        $h = $img['size'][1];           
    }
    if (isset($img['mt'])) {
        $mt = $img['mt'];
    }
    if (isset($img['ml'])) {
        $ml = $img['ml'];
    }
    $toAddImg .= str_replace(array('RID', 'WID', 'HEI','ML', 'MT'), array($rid, $w, $h,$ml, $mt), $imgTmpl) ;
    if(isset($img['dataImg']))
    {
        $toAddImg.='<w:br/><w:t>'.$this->limpiarString($img['dataImg']).'</w:t><w:br/>';
    }

    $aReplace = array($imgName, $imgExt);
    $toAddType .= str_replace($aSearchType, $aReplace, $typeTmpl) ;

    $aReplace = array($rid, $imgName);
    $toAdd .= str_replace($aSearch, $aReplace, $relationTmpl);

    $this->tempDocumentMainPart=str_replace('<w:t>' . $strKey . '</w:t>', $toAddImg, $this->tempDocumentMainPart);

    if($this->_rels=="")
    {
        $this->_rels=$this->zipClass->getFromName('word/_rels/document.xml.rels');
        $this->_types=$this->zipClass->getFromName('[Content_Types].xml');
    }

    $this->_types = str_replace('</Types>', $toAddType, $this->_types) . '</Types>';
    $this->_rels  = str_replace('</Relationships>', $toAdd, $this->_rels) . '</Relationships>';
}

$templateProcessor->setImg('IMG', array('src' => $model->img, 'swh' => '180', 'ml' => '45', 'mt' => '160'));