/**
   * body : <div class="main-wrap content-wrap">...</div>
   * image_source : 《四月物语》
   * title : 我喜欢你，但你别喜欢我：囚禁在单相思中的性单恋者
   * image : http://pic3.zhimg.com/4d37a2dff96d07f6a01e7b8aabd63032.jpg
   * share_url : http://daily.zhihu.com/story/9100667
   * js : []
   * ga_prefix : 122713
   * images : ["http://pic4.zhimg.com/a32e73507ebe9a963f48c3bcc9808773.jpg"]
   * type : 0
   * id : 9100667
   * css : ["http://news-at.zhihu.com/css/news_qa.auto.css?v=4b3e3"]
   */

public class HtmlUtil {
  // css样式，隐藏header
  private static final String HIDE_HEADER_STYLE = "<style>div.headline{display:none;}</style>";

  // css style tag, 需要格式化
  private static final String NEEDED_FORMAT_CSS_TAG = "<link rel=\"stylesheet\" type=\"text/css\" href=\"%s\"/>";

  // js script tag, 需要格式化
  private static final String NEEDED_FORMAT_JS_TAG = "<script src=\"%s\"></script>";

  public static final String MIME_TYPE = "text/html; charset=utf-8";

  public static final String ENCODING = "utf-8";

  public HtmlUtil() {
  }

  /**
   * 根据css链接生成Link标签
   * @param url String
   * @return String
   */
  public static String createCssTag(String url) {
    return String.format(NEEDED_FORMAT_CSS_TAG, url);
  }

  /**
   * 根据多个css链接生成Link标签
   * @param urls List<String>
   * @return String
   */
  public static String createCssTag(List<String> urls) {
    final StringBuilder sb = new StringBuilder();
    for (String url : urls) {
      sb.append(createCssTag(url));
    }
    return sb.toString();
  }

  /**
   * 根据js链接生成Script标签
   *
   * @param url String
   * @return String
   */
  public static String createJsTag(String url) {

    return String.format(NEEDED_FORMAT_JS_TAG, url);
  }

  /**
   * 根据多个js链接生成Script标签
   *
   * @param urls List<String>
   * @return String
   */
  public static String createJsTag(List<String> urls) {

    final StringBuilder sb = new StringBuilder();
    for (String url : urls) {
      sb.append(createJsTag(url));
    }
    return sb.toString();
  }

  /**
   * 根据样式标签,html字符串,js标签
   * 生成完整的HTML文档
   */
  public static String createHtmlData(String html, List<String> cssList, List<String> jsList) {
    final String css = HtmlUtil.createCssTag(cssList);
    final String js = HtmlUtil.createJsTag(jsList);
    return css.concat(HIDE_HEADER_STYLE).concat(html).concat(js);
  }
}

String htmlData = HtmlUtil.createHtmlData(entity.getBody(), entity.getCss(), entity.getJs());
webview.loadData(htmlData, HtmlUtil.MIME_TYPE, HtmlUtil.ENCODING);