用 Form-Sql-Builder-mysql 将用户提交的表单自动转化成sql

用 Form-Sql-Builder-mysql 将用户提交的表单自动转化成sql

maven依赖

<dependency>
<groupId>org.crazycake</groupId>
<artifactId>form-sql-builder-mysql</artifactId>
<version>1.0.0-RELEASE</version>
</dependency>

快速开始
STEP 1. 创建一个规则文件

在classpath下建立一个文件夹叫 formSqlRules ，在这个文件夹下创建global.json

{
"global":[
{
"field":"String:*",
"op":"like",
"rel":"and"
},{
"field":"*:*",
"op":"=",
"rel":"and"
}
]
}STEP 2. 创建一个测试用PO类
public class Person {

private Integer activeStatus;
private String name;
private Integer age;
private String city;

public Person(String name, Integer age, String city, Integer activeStatus){
this.name = name;
this.age = age;
this.city = city;
this.activeStatus = activeStatus;
}

public Integer getActiveStatus() {
return activeStatus;
}

public void setActiveStatus(Integer activeStatus) {
this.activeStatus = activeStatus;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public Integer getAge() {
return age;
}

public void setAge(Integer age) {
this.age = age;
}

public String getCity() {
return city;
}

public void setCity(String city) {
this.city = city;
}
}

STEP 3. 调用 FormSqlBuilder

Person form = new Person("jack", 36, "ny", 1);
FormSqlBuilder b = new FormSqlBuilder(form, "global");
b.addLimit(1, 20);
SqlAndParams s = b.build();
System.out.println(s.getSql());
for(Object v:s.getParams()){
System.out.println(v);
}控制台输出
SELECT * FROM person WHERE name like ? AND city like ? AND active_status = ? AND age = ? LIMIT 0,20
jack
ny
1
36更具体的关于

规则的写法和可选值
通配符的用法
范围查询
分组查询
添加limit
添加排序
IN查询
参见github官网