修改jquery的remote让前段显示服务器错误信息

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remote: function (value, element, param) {
    //param 是你的rules中规定的参数，在这里肯定是remote中的参数了
    //value是你输入的值
    //element是你操作的元素，标签

    if (this.optional(element)) {
        return "dependency-mismatch";
    }

    var previous = this.previousValue(element),
        validator, data;

    if (!this.settings.messages[element.name]) {
        this.settings.messages[element.name] = {};
    }
    previous.originalMessage = this.settings.messages[element.name].remote;
    this.settings.messages[element.name].remote = previous.message;

    param = typeof param === "string" && {url: param} || param;

    if (previous.old !== value) {
        previous.old = value;
        validator = this;
        this.startRequest(element);
        data = {};
        data[element.name] = value;//输入框中的数据


        $.ajax($.extend(true, {
            url: param,
            mode: "abort",
            port: "validate" + element.name,
            dataType: "json",
            data: data,
            context: validator.currentForm,
            success: function (response) {


                var valid = response[‘value‘] === true || response[‘value‘] === "true", errors, message, submitted;

                validator.settings.messages[element.name].remote = previous.originalMessage;
                if (valid) {
                    submitted = validator.formSubmitted;
                    validator.prepareElement(element);
                    validator.formSubmitted = submitted;
                    validator.successList.push(element);
                    delete validator.invalid[element.name];
                    validator.showErrors();
                } else {
                    errors = {};
                    message = response[‘msg‘] || validator.defaultMessage(element, "remote");
                    errors[element.name] = previous.message = $.isFunction(message) ? message(value) : message;
                    validator.invalid[element.name] = true;
                    validator.showErrors(errors);
                }
                previous.valid = valid;
                validator.stopRequest(element, valid);
            }
        }, param));
        return "pending";
    }
}

修改jquery的remote让前段显示服务器错误信息

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原文地址：http://www.cnblogs.com/bergus/p/4536372.html