在 Spring ,有什么区别

modelMap.put("key",value);


modelMap.addAttribute("Key",value);

最佳答案

addAttributes表示检查属性名称中的非null->参见源

 /**
     * Add the supplied attribute under the supplied name.
     * @param attributeName the name of the model attribute (never <code>null</code>)
     * @param attributeValue the model attribute value (can be <code>null</code>)
     */
    public ModelMap addAttribute(String attributeName, Object attributeValue) {
        Assert.notNull(attributeName, "Model attribute name must not be null");
        put(attributeName, attributeValue);
        return this;
    }

关于spring - modelMap.put()v/s modelMap.addAttribute(),我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/15742262/

10-08 22:35