{
  "tablename": "payments",
  "grid": {
    "fields": [
      {
        "name": "payment_number",
        "title": "支出编号",
        "width": 150
      },
      {
        "name": "contract_number",
        "title": "合同编号",
        "width": 150
      },
      {
        "name": "vendor_name",
        "title": "供应商",
        "width": 200
      },
      {
        "name": "payment_amount",
        "title": "支出金额",
        "width": 120,
        "alter": "money"
      },
      {
        "name": "payment_date",
        "title": "支出日期",
        "width": 120,
        "alter": "date"
      },
      {
        "name": "payment_method",
        "title": "支出方式",
        "width": 120,
        "alter": "code:PAYMENT_METHOD"
      },
      {
        "name": "payment_status",
        "title": "状态",
        "width": 100,
        "alter": "code:PAYMENT_STATUS"
      },
      {
        "name": "approved_by_name",
        "title": "审批人",
        "width": 120
      },
      {
        "name": "created_by_name",
        "title": "创建人",
        "width": 120
      }
    ],
    "joins": [
      {
        "table": "contract",
        "alias": "c",
        "on": "payments.contract_id = c.id"
      },
      {
        "table": "vendors",
        "alias": "v",
        "on": "payments.vendor_id = v.id"
      },
      {
        "table": "users",
        "alias": "u1",
        "on": "payments.approved_by = u1.id"
      },
      {
        "table": "users",
        "alias": "u2",
        "on": "payments.created_by = u2.id"
      }
    ],
    "select_fields": [
      "payments.*",
      "c.contract_number",
      "v.name as vendor_name",
      "u1.username as approved_by_name",
      "u2.username as created_by_name"
    ]
  },
  "form": {
    "fields": [
      {
        "name": "payment_number",
        "title": "支出编号",
        "widget": "text",
        "readonly": true
      },
      {
        "name": "contract_id",
        "title": "关联合同",
        "widget": "select",
        "options": "contract"
      },
      {
        "name": "vendor_id",
        "title": "供应商",
        "widget": "select",
        "options": "vendors"
      },
      {
        "name": "payment_amount",
        "title": "支出金额",
        "widget": "number"
      },
      {
        "name": "payment_date",
        "title": "支出日期",
        "widget": "date"
      },
      {
        "name": "payment_method",
        "title": "支出方式",
        "widget": "select",
        "options": "code:PAYMENT_METHOD"
      },
      {
        "name": "payment_status",
        "title": "状态",
        "widget": "select",
        "options": "code:PAYMENT_STATUS"
      },
      {
        "name": "approved_by",
        "title": "审批人",
        "widget": "select",
        "options": "users"
      },
      {
        "name": "description",
        "title": "备注",
        "widget": "textarea"
      }
    ]
  }
}