struts2利用配置文件进行输入校验方法 -

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struts2利用配置文件进行输入校验方法

CSS Struts 正则表达式 HTML

Struts中利用配置文件进行输入校验，其实是挺简单的，只是时间长了有些基本语法容易淡忘。今天特意抽点时间来把这点东西写写（常用的验证），可以说也算是对这块知识的进一步的巩固吧！如果以后在用到这块知识也可以翻出来看看。

1、对生日的验证：

<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>date Validator Example</title>
<style type="text/css">@import url(css/main.css);</style>
<style>
.errorMessage {
	color:red;
}
</style>
</head>
<body>
<div id="global" style="width:350px">
	<h3>Enter your birthdate</h3>
	<s:form action="Date2">
    	<s:textfield name="birthDate" label="Birth Date"/>
    	<s:submit/>
	</s:form>
</div>
</body>
</html>

package com.erong.struts.action;
import java.util.Date;
import com.opensymphony.xwork2.ActionSupport;

public class DateTestAction extends ActionSupport {
    private Date birthDate;
    public Date getBirthDate() {
        return birthDate;
    }
    public void setBirthDate(Date birthDate) {
        this.birthDate = birthDate;
    }
}

<!DOCTYPE validators PUBLIC
        "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
        "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">

<validators>
    <field name="birthDate">
        <field-validator type="date">
            <param name="max">1/1/2000</param>
            <message>
                You must have been born before the year 2000 to register
            </message>
        </field-validator>
    </field>
</validators>

2、Email地址的输入验证

<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>email Validator Example</title>
<style type="text/css">@import url(css/main.css);</style>
<style>
.errorMessage {
	color:red;
}
</style>
</head>
<body>
<div id="global" style="width:350px">
	<h3>Enter your email</h3>
	<s:form action="Email2">
    	<s:textfield name="email" label="Email"/>
    	<s:submit/>
	</s:form>
</div>
</body>
</html>

package com.erong.struts.action;

import com.opensymphony.xwork2.ActionSupport;

public class EmailTestAction extends ActionSupport {
    private String email;
    public String getEmail() {
        return email;
    }
    public void setEmail(String email) {
        this.email = email;
    }
}

<!DOCTYPE validators PUBLIC
        "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
        "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">

<validators>
    <field name="email">
        <field-validator type="email">
            <message>Invalid email</message>
        </field-validator>
    </field>
</validators>

3、表达式的输入验证

<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>expression Validator Example</title>
<style type="text/css">@import url(css/main.css);</style>
<style>
.errorMessage {
	color:red;
}
</style>
</head>
<body>
<div id="global" style="width:400px">
    <s:actionerror/>
	<h3>Enter the minimum and maximum temperatures</h3>
	<s:form action="Expression2">
    	<s:textfield name="min" label="Minimum temperature"/>
    	<s:textfield name="max" label="Maximum temperature"/>
    	<s:submit/>
	</s:form>
</div>
</body>
</html>

package com.erong.struts.action;

import com.opensymphony.xwork2.ActionSupport;

public class ExpressionTestAction extends ActionSupport {
    private int min;
    private int max;
    public int getMax() {
        return max;
    }
    public void setMax(int max) {
        this.max = max;
    }
    public int getMin() {
        return min;
    }
    public void setMin(int min) {
        this.min = min;
    }
}

<!DOCTYPE validators PUBLIC
        "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
        "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">

<validators>
    <validator type="expression">
        <param name="expression">
            max > min
        </param>
        <message>
            Maximum temperature must be greater than Minimum temperature
        </message>
    </validator>
</validators>

4、整形数据的输入验证：

<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>int Validator Example</title>
<style type="text/css">@import url(css/main.css);</style>
<style>
.errorMessage {
	color:red;
}
</style>
</head>
<body>
<div id="global" style="width:350px">
	<h3>Enter a year</h3>
	<s:form action="Int2">
    	<s:textfield name="year" label="Year (1990-2009)"/>
    	<s:submit/>
	</s:form>
</div>
</body>
</html>

package com.erong.struts.action;
import com.opensymphony.xwork2.ActionSupport;

public class IntTestAction extends ActionSupport {
    private int year;
    public int getYear() {
        return year;
    }
    public void setYear(int year) {
        this.year = year;
    }
}

<!DOCTYPE validators PUBLIC
        "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
        "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">

<validators>
    <field name="year">
        <field-validator type="int">
            <param name="min">1990</param>
            <param name="max">2009</param>
            <message>Year must be between 1990 and 2009</message>
        </field-validator>
    </field>
</validators>

5、URL地址的输入验证：

<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>url Validator Example</title>
<style type="text/css">@import url(css/main.css);</style>
<style>
.errorMessage {
	color:red;
}
</style>
</head>
<body>
<div id="global" style="width:350px">
	<h3>What is your website?</h3>
	<s:form action="Url2">
    	<s:textfield name="url" label="URL" size="40"/>
    	<s:submit/>
	</s:form>
</div>
</body>
</html>

package com.erong.struts.action;
import com.opensymphony.xwork2.ActionSupport;

public class UrlTestAction extends ActionSupport {
    private String url;
    public String getUrl() {
        return url;
    }
    public void setUrl(String url) {
        this.url = url;
    }
}

<!DOCTYPE validators PUBLIC
        "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
        "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">

<validators>
    <field name="url">
        <field-validator type="url">
            <message>Invalid URL</message>
        </field-validator>
    </field>
</validators>

6、利用正则表达式进行输入的验证（这个方法比较灵活，不管是什么样的都能够通过正则表达式进行匹配）：

<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>regex Validator Example</title>
<style type="text/css">@import url(css/main.css);</style>
<style>
.errorMessage {
	color:red;
}
</style>
</head>
<body>
<div id="global" style="width:350px">
	<h3>Enter a phone number</h3>
	<s:form action="RegEx2">
    	<s:textfield name="phone" label="Phone (xxx-xxx-xxxx)"/>
    	<s:submit/>
	</s:form>
</div>
</body>
</html>

package com.erong.struts.action;

import com.opensymphony.xwork2.ActionSupport;

public class RegExTestAction extends ActionSupport {
    private String phone;
    public String getPhone() {
        return phone;
    }
    public void setPhone(String phone) {
        this.phone = phone;
    }
}

<!DOCTYPE validators PUBLIC
        "-//OpenSymphony Group//XWork Validator 1.0.2//EN"
        "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">

<validators>
    <field name="phone">
        <field-validator type="regex">
            <param name="expression">
                <![CDATA[\d\d\d\-\d\d\d\-\d\d\d\d]]>
            </param>
            <message>
                Invalid phone number or invalid format
            </message>
        </field-validator>
    </field>
</validators>

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