jQuery.validator.addMethod("isStrongPwd", function(value, element){

            var modes = 0;

            //正则表达式验证符合要求的

            if (/\d/.test(value)) modes++; //数字

            if (/[a-z]/.test(value)) modes++; //小写

            if (/[A-Z]/.test(value)) modes++; //大写

            if (/\W/.test(value)) modes++; //特殊字符

            if (modes < 3) {

                return false;

            }

            return true;

        },"密码需要包括数字、小写字母、大写字母、特殊字符中的3种字符的组合。");

function setValidate() {
        $("#pwdForm").validate({
            submitHandler: function(form){
                form.submit();
            },
            rules: {
                newPassword : {
                    required:true,
                    minlength:8,
                    isStrongPwd: true
                },
                newPassword2 : {
                    required:true,
                    minlength:8,
                    equalTo:"#newPassword"
                }
            }
        });
    }