com.jfinal.template.Env Java Examples

@Override
public void onRender(Env env, Scope scope, Writer writer) {
    String content = getPara(0, scope);
    if (StrUtil.isBlank(content)) {
        return;
    }

    int maxLength = getParaToInt(1, scope, 0);
    if (maxLength <= 0) {
        throw new IllegalArgumentException("#maxLength(content,length) 参数错误，length必须大于0 " + getLocation());
    }

    String suffix = getPara(2, scope);
    try {
        writer.write(CommonsUtils.maxLength(content, maxLength, suffix));
    } catch (IOException e) {
        throw new TemplateException(e.getMessage(), location, e);
    }
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Controller controller = JbootControllerContext.get();

    String keyword = controller.getAttr("keyword");
    int page = controller.getAttr("page");
    int pageSize = getParaToInt("pageSize", scope, 10);

    Page<Product> dataPage = StrUtil.isNotBlank(keyword)
            ? productService.search(keyword, page, pageSize)
            : null;

    if (dataPage != null) {
        scope.setGlobal("productPage", dataPage);
    }

    //需要页面自行判断 productPage 是否为空
    renderBody(env, scope, writer);
}
 

@Override
protected String getUrl(int pageNumber, Env env, Scope scope, Writer writer) {
    HttpServletRequest request = JbootControllerContext.get().getRequest();
    String url = request.getRequestURI();
    String contextPath = JFinal.me().getContextPath();

    boolean firstGotoIndex = getPara("firstGotoIndex", scope, false);

    if (pageNumber == 1 && firstGotoIndex) {
        return contextPath + "/";
    }

    // 如果当前页面是首页的话
    // 需要改变url的值，因为 上一页或下一页是通过当前的url解析出来的
    if (url.equals(contextPath + "/")) {
        url = contextPath + "/product/category/index" + JPressOptions.getAppUrlSuffix();
    }

    return DirectveKit.replacePageNumber(url, pageNumber);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    User user = UserInterceptor.getThreadLocalUser();
    if (user == null || !user.isStatusOk()) {
        return;
    }


    String permission = getPara(0, scope);
    if (permission == null || permission.trim().length() == 0) {
        throw new IllegalArgumentException("#hasPermission(...) argument must not be empty," + getLocation());
    }

    if (permissionService.hasPermission(user.getId(), permission)) {
        renderBody(env, scope, writer);
    }
}
 

@Override
public void exec(Env env, Scope scope, Writer writer) {
    LogKit.info("option====="+typeCode);
    if (exprList.length() > 2) {
        throw new ParseException("Wrong number parameter of #date directive, two parameters allowed at most", location);
    }

    typeCode = getParam(0, scope);
    if (StrKit.isBlank(typeCode)) {
        throw new ParseException("typeCode is null", location);
    }

    if (exprList.length() > 1) {
        value = getParam(1, "", scope);
    }

    List<Data> list = dataApi.getListByTypeOnUse(typeCode);
    for (Data data : list) {
        if (value != null && data.getCode().equals(value)) {
            write(writer, "<option selected value=\"" + data.getCode()  + "\">" + data.getCodeDesc() + "</option>");
        } else {
            write(writer, "<option value=\"" + data.getCode()  + "\">" + data.getCodeDesc() + "</option>");
        }
    }
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Controller controller = JbootControllerContext.get();

    int page = controller.getParaToInt(1, 1);
    int pageSize = getParaToInt("pageSize", scope, 10);
    String orderBy = getPara("orderBy", scope, "id desc");

    // 可以指定当前的分类ID
    Long categoryId = getParaToLong("categoryId", scope, 0L);
    ProductCategory category = controller.getAttr("category");

    if (categoryId == 0 && category != null) {
        categoryId = category.getId();
    }

    Page<Product> productPage = categoryId == 0
            ? service.paginateInNormal(page, pageSize, orderBy)
            : service.paginateByCategoryIdInNormal(page, pageSize, categoryId, orderBy);

    scope.setGlobal("productPage", productPage);
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    String slug = getPara("slug", scope);
    if (StrUtil.isBlank(slug)) {
        throw new IllegalArgumentException("#page(slug = ...) argument must not be empty ");
    }

    SinglePage page = singlePageService.findFirstBySlug(slug);
    if (page == null) {
        return;
    }

    scope.setLocal("page", page);
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Long id = getParaToLong(0, scope);

    if (id == null) {
        throw new IllegalArgumentException("#productTags(id) args error. id must not be null." + getLocation());
    }


    List<ProductCategory> categories = categoryService.findListByProductId(id, ProductCategory.TYPE_TAG);
    if (categories == null || categories.isEmpty()) {
        return;
    }

    scope.setLocal("tags", categories);
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    String originalContent = getPara(0, scope);
    if (originalContent == null) {
        return;
    }

    String editMode = JbootControllerContext.get().getAttr("editMode");
    if (StrUtil.isNotBlank(editMode) && !JPressConsts.EDIT_MODE_HTML.equals(editMode)){
        renderText(writer,originalContent);
    }
    //ckeditor 编辑器有个bug，自动把 &lt; 转化为 < 和 把 &gt; 转化为 >
    //因此，此处需要 把 "&lt;" 替换为 "&amp;lt;" 和 把 "&gt;" 替换为 "&amp;gt;"
    //方案：http://komlenic.com/246/encoding-entities-to-work-with-ckeditor-3/
    else {
        renderText(writer, StringUtils.replaceEach(originalContent, originalChars, newChars));
    }
}
 

@Override
public void exec(Env env, Scope scope, Writer writer) {
    if (exprList.length() > 2) {
        throw new ParseException("Wrong number parameter of #date directive, two parameters allowed at most", location);
    }

    status = getParam(0, scope);
    if (status == null) {
        throw new ParseException("status is null", location);
    }

    if (exprList.length() > 1) {
        value = getParam(1, "", scope);
    }

    for (String key : status.all().keySet()) {
        if (value != null && key.equals(value)) {
            write(writer, "<option selected value=\"" + key  + "\">" + status.desc(key) + "</option>");
        } else {
            write(writer, "<option value=\"" + key  + "\">" + status.desc(key) + "</option>");
        }
    }
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    String key = getPara(0, scope);
    if (StrUtil.isBlank(key)) {
        throw new IllegalArgumentException("#option(...) argument must not be empty " + getLocation());
    }

    String defaultValue = getPara(1, scope, "");

    String value = JPressOptions.get(key);
    if (value == null || value == "") {
        value = defaultValue;
    }

    try {
        writer.write(value);
    } catch (IOException e) {
        throw new TemplateException(e.getMessage(), location, e);
    }
}
 

@Override
public void exec(Env env, Scope scope, Writer writer) {
    if (exprList.length() > 2) {
        throw new ParseException("Wrong number parameter of #date directive, two parameters allowed at most", location);
    }

    typeCode = getParam(0, scope);
    if (StrKit.isBlank(typeCode)) {
        throw new ParseException("typeCode is null", location);
    }

    if (exprList.length() > 1) {
        attrName = getParam(1, "type", scope);
    }
    List<Data> list = dataApi.getListByTypeOnUse(typeCode);

    write(writer, "<div>");
    for (Data data : list) {
        write(writer, "{{#  if(d." + attrName + " == \\'" + data.getCode() + "\\') { }}");
        write(writer, data.getCodeDesc());
        write(writer, "{{#  } }}");
    }
    write(writer, "</div>");
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {
    Product product = getPara(0, scope);
    if (product == null) {
        throw new IllegalArgumentException("#relevantProducts(...) argument must not be null or empty." + getLocation());
    }

    //默认值 3
    int count = getParaToInt(1, scope, 3);

    List<Product> relevantProducts = service.findRelevantListByProductId(product.getId(), Product.STATUS_NORMAL, count);

    if (relevantProducts == null || relevantProducts.isEmpty()) {
        return;
    }

    scope.setLocal("relevantProducts", relevantProducts);
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    String orderBy = getPara("orderBy", scope, "id desc");
    int count = getParaToInt("count", scope, 10);

    Columns columns = Columns.create("status", ArticleComment.STATUS_NORMAL);
    List<ArticleComment> comments = service.findListByColumns(columns, orderBy, count);

    if (comments == null || comments.isEmpty()) {
        return;
    }

    scope.setLocal("comments", comments);
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    User user = UserInterceptor.getThreadLocalUser();
    if (user == null || !user.isStatusOk()) {
        return;
    }


    Set<String> roles = StrUtil.splitToSet(getPara(0, scope), ",");
    if (roles == null || roles.size() == 0) {
        throw new IllegalArgumentException("#role(...) argument must not be empty");
    }

    if (roleService.hasRole(user.getId(), roles.toArray(new String[]{}))) {
        renderBody(env, scope, writer);
    }

}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Controller controller = JbootControllerContext.get();

    String keyword = controller.getAttr("keyword");
    int page = controller.getAttr("page");
    int pageSize = getParaToInt("pageSize", scope, 10);

    Page<Article> dataPage = StrUtil.isNotBlank(keyword)
            ? articleService.search(keyword, page, pageSize)
            : null;

    if (dataPage != null) {
        scope.setGlobal("articlePage", dataPage);
    }

    //需要页面自行判断 articlePage 是否为空
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Long id = getParaToLong(0, scope);
    String type = getPara(1, scope);

    if (id == null || type == null) {
        throw new IllegalArgumentException("#productCategories() args error. id or type must not be null." + getLocation());
    }


    List<ProductCategory> categories = categoryService.findListByProductId(id, type);
    if (categories == null || categories.isEmpty()) {
        return;
    }

    scope.setLocal("categories", categories);
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    String flag = getPara("flag", scope);

    List<SinglePage> singlePages = StrUtil.isBlank(flag)
            ? singlePageService.findAll()
            : singlePageService.findListByFlag(flag);

    if (singlePages == null || singlePages.isEmpty()) {
        return;
    }

    //设置页面高亮
    doFlagIsActiveByCurrentPage(singlePages);

    scope.setLocal("pages", singlePages);

    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Long id = getParaToLong(0, scope);
    String type = getPara(1, scope);

    if (id == null || type == null) {
        throw new IllegalArgumentException("#articleCategories() args error. id or type must not be null." + getLocation());
    }


    List<ArticleCategory> categories = categoryService.findListByArticleId(id, type);
    if (categories == null || categories.isEmpty()) {
        return;
    }

    scope.setLocal("categories", categories);
    renderBody(env, scope, writer);
}
 

@Override
protected String getUrl(int pageNumber, Env env, Scope scope, Writer writer) {
    HttpServletRequest request = JbootControllerContext.get().getRequest();
    String url = request.getRequestURI();
    String contextPath = JFinal.me().getContextPath();

    boolean firstGotoIndex = getPara("firstGotoIndex", scope, false);

    if (pageNumber == 1 && firstGotoIndex) {
        return contextPath + "/";
    }

    // 如果当前页面是首页的话
    // 需要改变url的值，因为 上一页或下一页是通过当前的url解析出来的
    if (url.equals(contextPath + "/")) {
        url = contextPath + "/article/category/index"
                + JPressOptions.getAppUrlSuffix();
    }
    return DirectveKit.replacePageNumber(url, pageNumber);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {
    if (getSubject() != null && ArrayUtil.isNotEmpty(exprList.getExprArray())) {
        boolean hasAllPermission = true;
        for (Expr expr : exprList.getExprArray()) {
            if (!getSubject().isPermitted(expr.eval(scope).toString())) {
                hasAllPermission = false;
                break;
            }
        }

        if (hasAllPermission) {
            renderBody(env, scope, writer);
        }

    }
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Controller controller = JbootControllerContext.get();

    int page = controller.getParaToInt(1, 1);
    int pageSize = getParaToInt("pageSize", scope, 10);
    String orderBy = getPara("orderBy", scope, "id desc");

    // 可以指定当前的分类ID
    Long categoryId = getParaToLong("categoryId", scope, 0L);
    ArticleCategory category = controller.getAttr("category");

    if (categoryId == 0 && category != null) {
        categoryId = category.getId();
    }

    Page<Article> articlePage = categoryId == 0
            ? service.paginateInNormal(page, pageSize, orderBy)
            : service.paginateByCategoryIdInNormal(page, pageSize, categoryId, orderBy);

    scope.setGlobal("articlePage", articlePage);
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {
    Article article = getPara(0, scope);
    if (article == null) {
        throw new IllegalArgumentException("#relevantArticles(...) argument must not be null or empty." + getLocation());
    }

    //默认值 3
    int count = getParaToInt(1, scope, 3);

    List<Article> relevantArticles = service.findRelevantListByArticleId(article.getId(), Article.STATUS_NORMAL, count);

    if (relevantArticles == null || relevantArticles.isEmpty()) {
        return;
    }

    scope.setLocal("relevantArticles", relevantArticles);
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Controller controller = JbootControllerContext.get();

    String key = getPara(0, scope);
    String defaultValue = getPara(1, scope);

    if (StrUtil.isBlank(key)) {
        throw new IllegalArgumentException("#para(...) argument must not be empty" + getLocation());
    }

    String value = controller.getPara(key);
    if (StrUtil.isBlank(value)) {
        value = StrUtil.isNotBlank(defaultValue) ? defaultValue : "";
    }

    try {
        writer.write(value);
    } catch (IOException e) {
        e.printStackTrace();
    }
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    User user = UserInterceptor.getThreadLocalUser();
    if (user == null || !user.isStatusOk()) {
        return;
    }


    Set<String> roles = StrUtil.splitToSet(getPara(0, scope), ",");
    if (roles == null || roles.size() == 0) {
        throw new IllegalArgumentException("#anyRole(...) argument must not be empty");
    }

    if (roleService.hasAnyRole(user.getId(), roles.toArray(new String[]{}))) {
        renderBody(env, scope, writer);
    }
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Controller controller = JbootControllerContext.get();

    int page = controller.getParaToInt(1, 1);
    int pageSize = getParaToInt("pageSize", scope, 10);

    SinglePage singlePage = controller.getAttr("page");
    if (singlePage != null) {
        Page<SinglePageComment> articlePage = service.paginateByPageIdInNormal(page, pageSize, singlePage.getId());
        scope.setGlobal("commentPage", articlePage);
        renderBody(env, scope, writer);
    }
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    Long userId = getParaToLong("userId", scope);
    User user = JbootControllerContext.get().getAttr("user");

    if (userId == null && user == null) {
        throw new RuntimeException("#userArticles() args is error,userId must not be null." + getLocation());
    }

    if (userId == null) {
        userId = user.getId();
    }

    String orderBy = getPara("orderBy", scope, "id desc");
    String status = getPara("status", scope, Article.STATUS_NORMAL);
    int count = getParaToInt("count", scope, 10);


    Columns columns = Columns.create("user_id", userId);
    columns.add("status", status);

    List<Article> articles = service.findListByColumns(columns, orderBy, count);

    if (articles == null || articles.isEmpty()) {
        return;
    }

    scope.setLocal("articles", articles);
    renderBody(env, scope, writer);
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {
    Article article = JbootControllerContext.get().getAttr("article");

    Article nextArticle = service.findNextById(article.getId());
    if (nextArticle == null) {
        return;
    }

    scope.setLocal("next", nextArticle);
    renderBody(env, scope, writer);
}
 

@Override
protected String getUrl(int pageNumber, Env env, Scope scope, Writer writer) {
    HttpServletRequest request = JbootControllerContext.get().getRequest();
    String url = DirectveKit.replacePageNumber(request.getRequestURI(), pageNumber);
    String anchor = getPara("anchor", scope);
    return StrUtil.isBlank(anchor) ? url : url + "#" + anchor;
}
 

@Override
public void onRender(Env env, Scope scope, Writer writer) {

    String flag = getPara("flag", scope);
    String style = getPara("style", scope);
    Boolean hasThumbnail = getParaToBool("hasThumbnail", scope);
    String orderBy = getPara("orderBy", scope, "id desc");
    int count = getParaToInt("count", scope, 10);


    Columns columns = Columns.create();

    columns.add("flag", flag);
    columns.add("style", style);
    columns.add("status", Article.STATUS_NORMAL);

    if (hasThumbnail != null) {
        if (hasThumbnail) {
            columns.isNotNull("thumbnail");
        } else {
            columns.isNull("thumbnail");
        }
    }

    List<Article> articles = service.findListByColumns(columns, orderBy, count);

    if (articles == null || articles.isEmpty()) {
        return;
    }

    scope.setLocal("articles", articles);
    renderBody(env, scope, writer);
}