te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>javascript - How to add watermark to every pages in react-pdf - Stack Overflow

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    const Template1 = ({ data }) => {

  const styles = StyleSheet.create({
    page: {
      position: "relative",
    },
    watermarkContainer: {
      position: "absolute",
      bottom: 30,
      right: 30,
      zIndex: 0,
      opacity: 0.5,
    },
    watermark: {
      width: 120,
    },
  });

  return (
    <Document>
      <Page size="A4" style={styles.page}>
        <Text>{data}</Text>
        <View style={styles.watermarkContainer}>
            <Image src={Watermark} />
        </View>
      </Page>
    </Document>
  );
};

    If the content in the page tag fills multiple pages, the watermark only shows on the last page. How can I add a watermark on every page?

    const Template1 = ({ data }) => {

  const styles = StyleSheet.create({
    page: {
      position: "relative",
    },
    watermarkContainer: {
      position: "absolute",
      bottom: 30,
      right: 30,
      zIndex: 0,
      opacity: 0.5,
    },
    watermark: {
      width: 120,
    },
  });

  return (
    <Document>
      <Page size="A4" style={styles.page}>
        <Text>{data}</Text>
        <View style={styles.watermarkContainer}>
            <Image src={Watermark} />
        </View>
      </Page>
    </Document>
  );
};

    If the content in the page tag fills multiple pages, the watermark only shows on the last page. How can I add a watermark on every page?

    • javascript
    • reactjs
    • frontend
    • react-pdf
    Share Improve this question edited Feb 17 at 12:29 Dhamodharan B asked Feb 17 at 12:23 Dhamodharan BDhamodharan B 111 bronze badge New contributor Dhamodharan B is a new contributor to this site. Take care in asking for clarification, commenting, and answering. Check out our Code of Conduct. 2
    • 1 This question should be helpful even if it doesn't use react-pdf stackoverflow/questions/50366481/… – evolutionxbox Commented Feb 17 at 12:44
    • Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. – Community Bot Commented Feb 18 at 2:25
    Add a comment  | 

    1 Answer 1

    Reset to default 1

    You can do it by leveraging canvasRef and drawing over the PDF yourself. This is how you can do it: https://codesandbox.io/p/sandbox/react-pdf-watermark-5wylx?file=%2Findex.html

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