struts2的DefaultActionMapper

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DefaultActionMapper是ActionMapper的实现类

其中一个用法是解析url请求 然后把信息封装成一个ActionMapping, ActionMapping对应一个Action,比如Action的name，namespace，method等信息

public ActionMapping getMapping(HttpServletRequest request, ConfigurationManager configManager) {
        ActionMapping mapping = new ActionMapping();
        String uri = RequestUtils.getUri(request);

        int indexOfSemicolon = uri.indexOf(";");
        uri = (indexOfSemicolon > -1) ? uri.substring(0, indexOfSemicolon) : uri;

        uri = dropExtension(uri, mapping);
        if (uri == null) {
            return null;
        }

        parseNameAndNamespace(uri, mapping, configManager);
        handleSpecialParameters(request, mapping);
        return parseActionName(mapping);
    }

从HttpServletRequest得到url，比如 http://localhost：8080/工程名/userAction.action

int indexOfSemicolon = uri.indexOf(";");

uri = (indexOfSemicolon > -1) ? uri.substring(0, indexOfSemicolon) : uri;

这两句是修正url的带;jsessionid 时找不到的bug ，具体没理解

struts2的DefaultActionMapper

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原文地址：http://blog.csdn.net/u011686226/article/details/45870953