EXCEL数据如何通过WEB页面导入到数据库中

数据库中的表：
和javaBean中对应
javaBean：
public class mainpart {
private int id;
private String name;//名称
private String spid;
private String specification;//规格
private String suppid;
private String suppname;//供应商名称
private String authenticatedMarks;//认证标志
private String standard;//标准
private String parameter;//参数
private Integer modelId;

public Integer getModelId() {
return modelId;
}
public void setModelId(Integer modelId) {
this.modelId = modelId;
}
public String getAuthenticatedMarks() {
return authenticatedMarks;
}
public void setAuthenticatedMarks(String authenticatedMarks) {
this.authenticatedMarks = authenticatedMarks;
}
public String getStandard() {
return standard;
}
public void setStandard(String standard) {
this.standard = standard;
}
public String getParameter() {
return param