问如何处理HTML表单提交

EN

<form>
    First name:     <input type="text" name="firstname">
    Last name:      <input type="text" name="lastname"><br>
    Street:         <input type="text" name="street" size="60"><br>
    City:           <input type="text" name="city">
    State:          <input type="text" name="state"> 
    ZIP:            <input type="text" name="zip"><br>
    Email:          <input type="text" name="email" size="60"><br>
    Phone:          <input type="text" name="phone" size="60"><br>
    City/Township:  <input type="text" name="votingcity">
    Precinct No.:   <input type="text" name="precinct"><br>
    <br>
    <hr>
    <br>
    <p>Government regulations require the following information:<br></p><br>
    Occupation:         <input type="text" name="occupation" size="60"><br>
    Employer's Name:    <input type="text" name="employer" size="60"><br>
    Employer's Street:  <input type="text" name="emp_street" size="60"><br>
    Employer's City:    <input type="text" name="emp_city">
    Employer's State:   <input type="text" name="emp_state">
    Employer's ZIP:     <input type="text" name="emp_zip"><br>
    <br>
    <hr>
    <br>
    Submit <input type="submit">
</form>