Force-Directed Graph
The ability to visualize the relationship between items, the weightage of the relationship and the flow often brings out the untold insights into limelight, which are otherwise not very evident.
JSON ([source, target, value])

 食品监督抽查不合格信息（仅浙江全省数据）
Code 
links.push({
    'source': s, 'target': t, 'value': v,
    'lineStyle': {
        'width': v,
        'curveness': 0.1, // between 0 and 1
        //shadowColor: 'rgba(0, 0, 0, 0.5)',
        //shadowBlur: 5,
    } 
    });

nodes.push({
    'name': k,
    'value': v,
    'catogery': categories[k],
    'symbol': categories_symbols[categories[k]],
    'symbolSize': v,
    'itemStyle': {
        'color': categories_colors[categories[k]],
    },
});