在spring boot rest api中获取json数据答案

【问题标题】：fetch json data in spring boot rest api在spring boot rest api中获取json数据
【发布时间】：2018-03-05 13:36:24
【问题描述】：

{
   "name": "ssf",
   "attribute_type": "Compound",
   "is_included": 1,
   "subAttributes": [
      {
         "name": "dtfg",
         "sub_data_type": "string",
         "sub_dateFormat": "",
         "sub_numericFormat": "",
         "sub_stringFormat": "dxcf",
         "subDataLength": "56",
         "subMatchType": "direct",
         "subCheckLevenshtein": false,
         "subCheckJaroWinkler": false,
         "subCheckHammingDistance": false,
         "subCheckMongeElkan": false,
         "sub_formula": "",
         "id": "p_id"
      },
      {
         "name": "rsdxcfgvjbh",
         "sub_data_type": "date",
         "sub_dateFormat": "mm_dd_yyyy",
         "sub_numericFormat": "",
         "sub_stringFormat": "",
         "subDataLength": "45",
         "subMatchType": "direct",
         "subCheckLevenshtein": false,
         "subCheckJaroWinkler": false,
         "subCheckHammingDistance": false,
         "subCheckMongeElkan": false,
         "sub_formula": "",
         "id": "p_id"
      }
   ]
}

您好，我正在 Spring Boot Java 中编写 rest api。从邮递员那里，我正在发送嵌套的 json，并想使用 jdbc 准备好的语句将数据保存在 mysql 数据库中。请告诉我如何使用 for 循环和其他方法打印这个嵌套的 json 子属性。

【问题讨论】：

您能添加到目前为止您尝试过的示例代码吗？
PreparedStatement st=con.prepareStatement(query); st.setString(1, 名称); st.setString(2, 属性类型); System.out.println(name); System.out.println(attribute_type); int i=st.executeUpdate(); System.out.println(i);
现在我无法访问数组类型的子属性。
@RequestMapping(value = "/api/matchingAttribute", method = RequestMethod.POST,headers={"Accept=*/*","content-type=application/json"}) 公共字符串NewMatchingAttribute(@RequestBody MatchingAttribute matchingAttribute) 抛出 SQLException { DbConnection ObjdbInit = new DbConnection();连接 con=ObjdbInit.dbConnection();

标签： java spring spring-boot

【解决方案1】：

根据您的 json，以下是您的 pojo 类。现在您只需在分配该 pojo 类元素后触发您的 JDBC 查询。希望这会有所帮助

public class SampleClass
{
 private String name;

 private String is_included;

 private String attribute_type;

 private SubAttributes[] subAttributes;

public String getName ()
{
    return name;
}

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

public String getIs_included ()
{
    return is_included;
}

public void setIs_included (String is_included)
{
    this.is_included = is_included;
}

public String getAttribute_type ()
{
    return attribute_type;
}

public void setAttribute_type (String attribute_type)
{
    this.attribute_type = attribute_type;
}

public SubAttributes[] getSubAttributes ()
{
    return subAttributes;
}

public void setSubAttributes (SubAttributes[] subAttributes)
{
    this.subAttributes = subAttributes;
}

@Override
public String toString()
{
    return "ClassPojo [name = "+name+", is_included = "+is_included+", attribute_type = "+attribute_type+", subAttributes = "+subAttributes+"]";
}
}


public class SubAttributes
{
private String sub_formula;

private String subCheckHammingDistance;

private String subCheckLevenshtein;

private String subCheckJaroWinkler;

private String subCheckMongeElkan;

private String sub_dateFormat;

private String sub_data_type;

private String subMatchType;

private String id;

private String sub_stringFormat;

private String sub_numericFormat;

private String subDataLength;

private String name;

public String getSub_formula ()
{
    return sub_formula;
}

public void setSub_formula (String sub_formula)
{
    this.sub_formula = sub_formula;
}

public String getSubCheckHammingDistance ()
{
    return subCheckHammingDistance;
}

public void setSubCheckHammingDistance (String subCheckHammingDistance)
{
    this.subCheckHammingDistance = subCheckHammingDistance;
}

public String getSubCheckLevenshtein ()
{
    return subCheckLevenshtein;
}

public void setSubCheckLevenshtein (String subCheckLevenshtein)
{
    this.subCheckLevenshtein = subCheckLevenshtein;
}

public String getSubCheckJaroWinkler ()
{
    return subCheckJaroWinkler;
}

public void setSubCheckJaroWinkler (String subCheckJaroWinkler)
{
    this.subCheckJaroWinkler = subCheckJaroWinkler;
}

public String getSubCheckMongeElkan ()
{
    return subCheckMongeElkan;
}

public void setSubCheckMongeElkan (String subCheckMongeElkan)
{
    this.subCheckMongeElkan = subCheckMongeElkan;
}

public String getSub_dateFormat ()
{
    return sub_dateFormat;
}

public void setSub_dateFormat (String sub_dateFormat)
{
    this.sub_dateFormat = sub_dateFormat;
}

public String getSub_data_type ()
{
    return sub_data_type;
}

public void setSub_data_type (String sub_data_type)
{
    this.sub_data_type = sub_data_type;
}

public String getSubMatchType ()
{
    return subMatchType;
}

public void setSubMatchType (String subMatchType)
{
    this.subMatchType = subMatchType;
}

public String getId ()
{
    return id;
}

public void setId (String id)
{
    this.id = id;
}

public String getSub_stringFormat ()
{
    return sub_stringFormat;
}

public void setSub_stringFormat (String sub_stringFormat)
{
    this.sub_stringFormat = sub_stringFormat;
}

public String getSub_numericFormat ()
{
    return sub_numericFormat;
}

public void setSub_numericFormat (String sub_numericFormat)
{
    this.sub_numericFormat = sub_numericFormat;
}

public String getSubDataLength ()
{
    return subDataLength;
}

public void setSubDataLength (String subDataLength)
{
    this.subDataLength = subDataLength;
}

public String getName ()
{
    return name;
}

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

@Override
public String toString()
{
    return "ClassPojo [sub_formula = "+sub_formula+", subCheckHammingDistance = "+subCheckHammingDistance+", subCheckLevenshtein = "+subCheckLevenshtein+", subCheckJaroWinkler = "+subCheckJaroWinkler+", subCheckMongeElkan = "+subCheckMongeElkan+", sub_dateFormat = "+sub_dateFormat+", sub_data_type = "+sub_data_type+", subMatchType = "+subMatchType+", id = "+id+", sub_stringFormat = "+sub_stringFormat+", sub_numericFormat = "+sub_numericFormat+", subDataLength = "+subDataLength+", name = "+name+"]";
}
 }

【讨论】：