顯示圖像格式 base64

Question

我對此問題有些疑問。我想顯示圖像。但它不是。

logoSrc格式為 base64

發行代碼

footerLogos(logoSrc) {
    var logos = "";
    logos += '<tr>';
    logos += '<td style="width: 1120px;">';
    logos += '<div style="display: flex;align-items: center;font-weight: bold;font-family: arial;font-size: 15px;">';
    logos += '</div>';
    logos += '</td>';

    logos += '<td align="center" width="30" id="footerLogo1">';
    logos += '<img src="{{logoSrc}}"  height="30"/>';
    logos += '</td>';
    logos += '</tr>';
    return logos;
}

Answer 1

由於你只有 base64 數據，你需要告訴 html 它應該被讀取為 URL。你還需要傳入變量本身，用${}包裝而不是{{}}和`backticks` 而不是 '單引號' 因為這就是JavaScript 做模板字符串的方式。

footerLogos(logoSrc) {
    var logos = "";
    logos += '<tr>';
    logos += '<td style="width: 1120px;">';
    logos += '<div style="display: flex;align-items: center;font-weight: bold;font-family: arial;font-size: 15px;">';
    logos += '</div>';
    logos += '</td>';

    logos += '<td align="center" width="30" id="footerLogo1">';
    logos += `<img src="data:image/png;base64,${logoSrc}" height="30"/>`;
    logos += '</td>';
    logos += '</tr>';
    return logos;
}

Answer 2

我會建議您重新訪問 logoSrc 及其用法。

 <img src="data:image/png;base64,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" >